Lead Cloud Security and Application Security Engineer

About Flagship Pioneering Flagship Pioneering is a biotechnology company based in Cambridge, MA. The team invents and builds platform companies focused on advancing human health and sustainability. Flagship brings together scientific leaders, entrepreneurs, and experienced capital managers to address challenges ranging from cancer care to sustainable agriculture. The company’s portfolio includes organizations that have vaccinated billions, developed new treatments, and promoted eco-friendly practices. Flagship has been recognized on FORTUNE’s “Change the World” list and featured in Fast Company’s annual “World’s Most Innovative Companies.” Role Overview: Lead Cloud Security and Application Security Engineer This role shapes Flagship’s cloud security and application security engineering practice. Supported by the CISO and Director of Security Engineering, the position focuses on defining and executing cloud posture management, secure software development lifecycle (SSDLC) security, and cloud-side data loss prevention. The engineer will work closely with the Infrastructure & Operations team on cloud architecture and network infrastructure. One of the main responsibilities is to build workflows that use AI and large language models (LLMs) to automate routine security tasks, freeing up time for complex challenges that require human judgment. The position leads technical execution for cloud security and application security across Flagship and its portfolio, partnering with engineering teams to embed security into development pipelines from the start. Key Responsibilities Establish and lead Flagship’s cloud security and application security engineering practice Define cloud posture management, SSDLC security, and cloud-side DLP strategies Collaborate with Infrastructure & Operations on cloud architecture and network infrastructure Develop and implement AI-enhanced workflows using LLMs and intelligent tools Automate recurring tasks to focus on high-impact security work Work directly with engineering teams to integrate security into development pipelines Drive technical execution of cloud security and AppSec across Flagship and its portfolio companies Work Location Cambridge, MA, USA

Teamwork Makes the Stream Work. Roku is revolutionizing the way the world experiences television.As the leading TV streaming platform in the U.S., Canada, and Mexico, Roku is on a mission to power every television globally. We pioneered streaming to the TV and aim to connect consumers with the content they cherish, empower content publishers to grow and monetize their audiences, and furnish advertisers with unique tools to engage effectively with consumers.From your very first day at Roku, you will be a crucial and appreciated member of our team. We are a rapidly growing public company where everyone plays an integral role. Join us to delight millions of TV streamers worldwide while gaining invaluable experience across diverse disciplines. About the TeamThe Roku Trust Engineering team consists of passionate professionals committed to information security.Our mission is to safeguard our customers, partners, devices, services, infrastructure, and data. We collaborate closely, sharing insights and expertise to stay ahead of emerging threats.Join us and be part of a vibrant team that embraces challenges and celebrates successes together. About The RoleAs a Security Engineer on the Trust Engineering team, you will play a vital role in designing, implementing, and managing Roku's comprehensive security systems and controls that impact a global user base.Your key responsibilities will encompass supporting the development of security controls, managing and maintaining SIEM/SOAR tools, overseeing threat intelligence platforms, responding to technical incidents, conducting vulnerability management, performing risk assessments, and serving as the primary contact for the future outsourced Tier 1 SOC function.You will work collaboratively with teams within Trust Engineering and across the organization to promote, develop, and influence robust security practices and postures. What You Will Be DoingTrust Information Security OperationsSupporting the design and implementation of information security systems and frameworks, including tools for threat prevention, detection, and mitigation.Manage, maintain, and optimize security infrastructure to ensure a secure environment.

Role Overview Securitas is hiring a Security Officer in Cambridge. This role helps maintain a safe and secure environment for clients and their properties. What You Will Do Monitor assigned premises to deter and detect suspicious activity Conduct regular patrols throughout the property Respond quickly to emergencies and incidents as they arise

Join Redgate Software as a Product Security Engineer!At Redgate, we develop innovative, user-friendly software solutions that empower data professionals to maximize the value of their databases. Our products address intricate database management issues throughout the DevOps lifecycle, enhancing efficiency, minimizing errors, and safeguarding critical business data. The data community places its trust in Redgate to effectively balance speed to market, teamwork, and data security.Explore more about our vibrant culture and commitments:Redgate Software – CultureFlexa CareersGlassdoorRepVueYour RoleAs a vital member of our team, you will integrate security into the software development lifecycle across various product teams. Your responsibilities will include defining security requirements, enhancing detection and prevention mechanisms (SAST/DAST), guiding teams on application security governance, and conducting threat modeling.Your Contributions at RedgateCollaborate with engineering and product teams to define and operationalize security requirements throughout the SDLC, from design to deployment.Conduct audits of application code to identify weaknesses and vulnerabilities.Lead or co-lead application security governance practices, including secure-by-default standards, patterns, guardrails, and risk acceptance processes.Promote SAST/DAST adoption and ensure high-quality outcomes through tool tuning, triage workflows, severity calibration, and fix-forward practices.Facilitate the implementation of threat modeling for new features, architectural changes, and high-risk services, transforming findings into actionable engineering tasks.Offer guidance on product security within cloud-native environments (AWS and containerized workloads), focusing on secure service design.

Collaboration Fuels Innovation. Transforming the Way the World Experiences TelevisionRoku is the leading TV streaming platform across the U.S., Canada, and Mexico, and we are on a mission to empower every television globally. As pioneers in streaming technology, our goal is to be the central platform connecting the entire television ecosystem. We facilitate connections between consumers and their favorite content, help content publishers grow and monetize their audiences, and provide advertisers with unique tools to engage viewers.From your very first day at Roku, you will play a crucial role in our mission. We are a rapidly growing public company where every team member's contribution is valued. Join us to delight millions of TV streamers worldwide while gaining invaluable experience across diverse disciplines. About Our Team The Roku Trust Engineering team comprises a dedicated group of professionals passionate about information security. Our mission is to safeguard our customers, partners, devices, services, infrastructure, and data. We work collaboratively, sharing insights and expertise to stay ahead of potential threats. Join us, and you’ll be part of a vibrant team that thrives on overcoming challenges and celebrates achievements together.

About the Role Securitas is hiring a Relief Security Officer in Cambridge. This position supports site safety by monitoring activity, reporting concerns, and helping to protect clients and property. The role also involves regular interaction with people on site, so strong customer service skills matter. Main Responsibilities Observe premises and report any suspicious activity or incidents Help maintain a secure environment for clients, visitors, and property Deliver professional, approachable customer service during all shifts Why Join Securitas? This role offers a way to begin a career in security with a recognized company. Relief Security Officers support various sites as needed, gaining experience across different environments.

About the Role Securitas is seeking a Security Officer for its Cambridge location. This position focuses on protecting clients, their properties, and assets. The Security Officer monitors premises, carries out regular patrols, and responds to incidents as they arise. Main Responsibilities Monitor assigned areas to ensure safety and security Conduct routine patrols of the premises Respond promptly and effectively to incidents Maintain clear communication with team members and clients What We Look For Strong observational skills Effective communication abilities Commitment to maintaining a safe environment

Join Securitas as a dedicated Security Officer and be an integral part of our commitment to providing exceptional security services. In this role, you will ensure the safety and security of our clients' premises, assets, and personnel. Ideal candidates are observant, proactive, and possess excellent communication skills.

Role Overview Lila Sciences is seeking a Principal Engineer with expertise in AI Security for its Cambridge, MA office. This senior individual contributor will help define and drive the technical strategy to secure AI applications across the organization. The role involves close collaboration with IT and business teams to ensure AI tools and platforms are implemented safely and in compliance with internal and external requirements. Securing both third-party and in-house AI tools is central to this position. The work will focus on protecting sensitive data, intellectual property, and scientific processes as AI becomes increasingly embedded in Lila's operations. What You Will Do Enterprise AI Security Strategy: Develop and roll out security controls and guidelines for using AI tools throughout the company, covering LLM APIs and SaaS AI platforms. AI Gateway & Agentic Gateway Security: Design and enforce controls for AI gateways, monitoring and managing access to AI systems. Ensure agentic workflows are secured with strong identity and authorization measures. AI Red Teaming & Adversarial Testing: Lead red teaming and adversarial testing efforts to uncover vulnerabilities in AI usage, such as prompt injection and data exfiltration risks. Data Protection for AI Usage: Establish and maintain safeguards to prevent sensitive data exposure through AI systems, with a focus on input/output filtering and secure data management. Multi-Layer AI Security: Integrate AI security practices with the organization's broader security framework, maintaining visibility and control over AI service access and data flows. AI Threat Modeling: Build and maintain threat models tailored to enterprise AI applications, addressing risks like data leaks and unauthorized agent actions. Vendor & Platform Security: Assess and advise on secure integration of third-party AI vendors, with close attention to their data handling practices and model behavior.

Collaboration Fuels Innovation. Join Roku, the leader in TV streaming technology.As the foremost TV streaming platform across the U.S., Canada, and Mexico, Roku is dedicated to transforming the way viewers engage with television. Our pioneering spirit in streaming technology aims to connect every television globally. We link audiences to their favorite content, empower content creators to grow and monetize their reach, and offer advertisers innovative ways to connect with consumers.From day one at Roku, your contributions will be significant and valued. In our rapidly growing public company, everyone plays an essential role. You will have the chance to enhance the experiences of millions of TV streamers while gaining invaluable insights across various fields. About Our Team At Roku, our Trust Engineering team is a passionate and cohesive group of professionals dedicated to safeguarding our customers, partners, devices, services, infrastructure, and data. We collaborate closely, sharing knowledge and expertise to remain at the forefront of security challenges. By joining us, you will become part of a vibrant team that thrives on overcoming obstacles and celebrating successes together. Role Overview As a Security Researcher Intern at Roku, you will actively participate in our mission to enhance the security and reliability of our streaming services. Collaborating with seasoned professionals, you will gain hands-on experience in security research, threat analysis, and the development of innovative security solutions.

Role overview Securitas seeks a full-time Security Officer based in Cambridge. The position centers on protecting clients and their properties through active monitoring and regular patrols. Security Officers play a key role in maintaining a safe and secure environment by responding to incidents as they occur. Key responsibilities Patrol designated areas to deter and detect suspicious activity Monitor security systems and control access points Respond promptly to incidents and emergencies Help foster a secure and welcoming atmosphere for clients and visitors Growth and development This role provides support for career development in the security sector. It offers a path for those interested in gaining hands-on experience and pursuing advancement within security services.

Join Luminance, a trailblazer in Legal-Grade™ AI for enterprises, recognized by top-tier venture capitalists and featured in Forbes AI 50 and Inc. 5000 lists for innovation and growth. Our mission is to transform the legal industry worldwide.We are seeking a proactive DevSecOps Engineer to enhance our security engineering capabilities and integrate security practices within our platform and development processes. In this role, you will collaborate with teams across Platform (SRE), IT Infrastructure, and Security to establish secure controls, automate workflows, and elevate risk management practices. If you thrive on resolving practical security engineering challenges and creating automation solutions that prioritize secure development, we want to hear from you.The ideal candidate will concentrate on automation, security control implementation, cloud security enhancement, and achieving significant improvements in our security framework.

Join Harvard University as a Security Manager, reporting to the Director of Safety and Security. In this pivotal role, you will oversee and coordinate security operations, ensuring the safety of staff, visitors, collections, and physical assets at the Harvard Art Museums. As the front-line supervisor, you'll manage security staff during your shifts, applying your expertise with autonomy and sound judgment.Core Responsibilities:Oversee daily security operations at the Harvard Art Museums, managing staffing levels, post coverage, emergency responses, special events, and group visits.Supervise security personnel by scheduling shifts, monitoring performance, providing training, and addressing issues, with a professional approach focused on customer service.Act promptly in emergencies, including medical, fire, and life safety incidents, documenting incidents according to established protocols.Participate in the recruitment and training of new security personnel.Continuously enhance skills to effectively handle a variety of challenges.Optimize resource deployment for efficient operations.Plan daily workflows and support clerical duties, including payroll and timekeeping.Contribute to policy implementation and procedure development for the Security Department, making recommendations to the Director as needed.Assist in creating and applying new security measures to enhance visitor experiences.Utilize Microsoft Office to maintain records, compose communications, and manage statistical databases.Review video footage as needed for investigations and maintain security databases.Support event-related security activities, managing budgets and suggesting operational improvements.

Role overview Securitas seeks a full-time Security Officer to join the team in Cambridge. This entry-level role focuses on maintaining a safe environment for clients and protecting property through a visible presence and active monitoring. Key responsibilities Monitor assigned areas to spot and prevent unauthorized activity Patrol the property at regular intervals Respond quickly and appropriately to incidents as they occur Support and training Comprehensive training is provided, along with ongoing support. This position offers a pathway for those interested in starting a career in security.

Join Us at Redgate SoftwareAt Redgate Software, we are passionate about crafting intelligently simple software solutions that empower data professionals to maximize the value of their databases. Our innovative tools address intricate database management challenges throughout the DevOps lifecycle, enhancing efficiency, minimizing errors, and safeguarding vital business data. We pride ourselves on being a trusted partner in balancing rapid market delivery, collaborative teamwork, and robust data protection.Discover more about our culture and values:· Redgate Software – Culture· Flexa Careers· Glassdoor· RepVueAs we continue to grow, we are excited to introduce new challenges in database security in 2024. We are currently seeking a Senior Product Manager to drive our strategic vision and growth in the Database Security Monitoring sector.In this pivotal role, you will be responsible for expanding our market presence in Database Security Monitoring. This includes gaining deep insights into customer and market needs, defining product strategy, evolving our offerings, and ensuring successful commercialization. Collaboration with senior stakeholders will be key as you define and execute the product vision and overall direction.At Redgate, we understand the importance of work-life balance and embrace a flexible-hybrid work model. We encourage applications from candidates located near our Cambridge, UK office.

Join Luminance, a trailblazer in Legal-Grade™ AI for enterprises, and be part of an innovative journey that is reshaping the legal industry worldwide. Supported by prestigious venture capitalists and recognized in both the Forbes AI 50 and Inc. 5000 lists, Luminance is on a record growth trajectory. We are eager to welcome passionate and experienced developers to accelerate our ambitious mission.We are looking for talented and motivated Senior Engineers to lead our most significant projects. This crucial role is for a technical expert who embraces challenges and is ready to work diligently, guide with vision, and create an impact that resonates throughout the industry.ResponsibilitiesOversee intricate engineering projects across the full Software Development Life Cycle (SDLC).Mentor and inspire other members of the Application Engineering team, fostering a culture of continuous learning and development.Collaborate with cross-functional teams to establish technical requirements and system architecture.Champion best practices in coding, testing, and maintenance, ensuring excellence in software development.Own decisions and be accountable for outcomes, pushing the limits of innovation.Serve as a Subject Matter Expert in one or more areas of our technology stack and support others in those domains.

Location: Cambridge, UK. Candidates should live within commuting distance or be willing to relocate for onsite meetings as needed. Role overview Jagex seeks a Senior Cloud Reliability Engineer to help keep RuneScape’s services reliable, scalable, and responsive for players worldwide. This position sits within the Cloud Tech division and collaborates with Game, Central Tech, and Cloud Platform teams. The main focus is to drive reliability, observability, automation, and cloud-native practices across a hybrid-cloud environment. This role combines hands-on production engineering with architectural decision-making. Projects include modernizing services, migrating workloads, and improving systems that directly affect the player experience. The team is committed to delivering reliable live services at scale. What you will do Collaborate with game and development teams to move services toward cloud-native architectures, increasing resilience, security, and cost-effectiveness in live environments. Support migration of workloads from managed VPS environments to Jagex’s cloud platform, with a focus on modernization and uptime. Develop and refine SLIs, SLOs, and error-budget frameworks to measure and communicate service reliability across teams. Design and improve observability and alerting for logs, metrics, and traces, enabling faster detection and resolution of issues. Automate operational tasks such as scaling, failover, and deployments. Build self-healing systems to reduce manual intervention and improve recovery. Drive reliability improvements in Linux-based production systems, reusable Infrastructure as Code modules, and team codebases. Contribute to raising engineering standards within Cloud Tech. Requirements Experience ensuring reliability for large-scale, internet-facing production services. Strong knowledge of AWS services, including VPC, EC2, ECS/EKS, ELB, ECR, Route53, KMS, IAM, and Systems Manager. Background in cloud-native design, workload modernization, and Infrastructure as Code (IaC). Hands-on experience with SLIs, SLOs, incident management, root cause analysis, and resilient system architecture. Practical experience with Debian-based Linux environments, managing VM fleets, and configuration management tools. Familiarity with observability platforms, CI/CD practices, containerization, and programming or scripting in Python or Java. Benefits Comprehensive private healthcare, including dental plan Discretionary annual performance bonuses At least 6% pension contributions Life insurance coverage Enhanced family leave policies

Role overview Speechify seeks a Senior Software Engineer to focus on Windows and desktop applications at the Cambridge, MA office. This role involves building and supporting desktop software for Windows, collaborating with a talented team to deliver features that enhance user interaction with Speechify’s products. What you will do Design, develop, and maintain desktop applications for Windows platforms Collaborate with fellow engineers to implement new features and refine existing ones Help shape the user experience by ensuring software remains reliable and intuitive

Join Luminance, a trailblazer in Legal-Grade™ AI for enterprises, and become part of a team that's revolutionizing the legal industry worldwide. Supported by esteemed venture capitalists and recognized in Forbes’ AI 50 list of ‘Most Promising Private AI Companies’ and Inc. 5000’s ‘Fastest Growing Companies in America’, Luminance is at the forefront of innovation.As an Applications Engineer, you will play a vital role in designing and developing our suite of web-based applications, leveraging Luminance's cutting-edge AI technology for diverse legal applications. You will work with a modern technology stack and have the opportunity to focus on UI, backend development, or a combination of both!This position is open to recent graduates eager to learn as well as experienced candidates with a strong background. If you're passionate about this opportunity but feel your skills don't perfectly align with the description, we still encourage you to apply. At Luminance, we value enthusiasm and are committed to fostering an inclusive workplace where everyone can thrive.

Join Luminance, a leader in Legal-Grade™ AI for enterprises, and be part of a groundbreaking team that's revolutionizing the legal profession worldwide. With backing from prestigious venture capitalists and accolades like being featured in Forbes AI 50 as one of the 'Most Promising Private AI Companies' and Inc. 5000's 'Fastest Growing Companies in America', we're on the cutting edge of technology.We are on the lookout for an innovative and skilled Infrastructure Engineer to join our Infrastructure Team in a role focused on DevOps and platform engineering. The successful candidate will possess a robust background in cloud-native infrastructure development, emphasizing automation, scalability, and security, as well as a comprehensive grasp of Infrastructure-as-Code (IaC). Your role will be pivotal in designing and evolving Luminance’s AWS platform, modernizing deployment patterns, automating environment creation, and ensuring our systems are reliable, repeatable, and resilient.Key ResponsibilitiesDesign, build, and maintain scalable cloud infrastructure utilizing AWS services including EC2, EKS, RDS/Aurora, ElastiCache, OpenSearch, and CloudFront.Lead the development and adoption of Kubernetes on EKS for managing both production and internal workloads.Architect and implement Infrastructure-as-Code (IaC) pipelines, integrating Terraform or similar tools into CI/CD workflows for environment provisioning, validation, and automated testing.Implement zero-downtime deployment strategies (blue/green, rolling, canary) and automate rollback and recovery processes.Promote continuous improvement in infrastructure, focusing on eliminating single points of failure and enhancing autoscaling, high availability, and managed service adoption across the platform.Collaborate with SRE, Security, and Engineering teams to enhance observability, monitoring, and alerting using tools such as Prometheus, Grafana, and CloudWatch.Work closely with the Security team to incorporate best practices for IAM, secrets management, WAF, and overall posture management.Optimize performance and cloud expenditure through automation and cost visibility dashboards.Participate in on-call rotations, conduct post-incident reviews, and contribute to ongoing operational reliability improvements.