Senior IT Infrastructure & Network Engineer

Join Luminance, a trailblazer in Legal-Grade™ AI for enterprises, and seize the opportunity to shape the future of the legal profession globally. With significant backing from prestigious venture capitalists and recognition in Forbes AI 50 and Inc. 5000, our innovative solutions are transforming legal practices worldwide.We are looking for a seasoned IT Infrastructure & Network Engineer to take ownership of enhancing Luminance’s corporate infrastructure. This includes responsibilities for networking, identity management, firewalls, and hybrid cloud services.In this hands-on engineering role, you will focus on creating secure, reliable, and efficient enterprise IT systems that facilitate our internal operations. You will collaborate closely with the Security and Platform teams to ensure our infrastructure is robust, secure, and scalable.

Join Roku, a leading streaming platform, as a Senior Software Engineer focused on enhancing our infrastructure, efficiency, and productivity. In this role, you will play a key part in architecting and developing innovative solutions that drive our technology forward. Collaborate with cross-functional teams to optimize system performance and ensure robust reliability in our services.

Collaboration Fuels Innovation. Roku is transforming the way the world experiences televisionAs the leading TV streaming platform in the U.S., Canada, and Mexico, Roku aims to power every television globally. We pioneered streaming technology, and our mission is to be the ultimate platform connecting the entire TV ecosystem. We link consumers to their favorite content, enable publishers to grow and monetize vast audiences, and provide advertisers with unique engagement opportunities.From day one at Roku, your contributions will be significant and appreciated. Join our dynamic public company where every team member plays an active role. You’ll have the chance to inspire millions of TV viewers while gaining invaluable experience across diverse areas. About the Role We are developing a next-generation observability and cloud platform that is high-performance, cost-effective, secure, and scalable across multi-region, multi-cloud infrastructures. You will take the lead in architecting and evolving Roku’s observability and cloud infrastructure stack, which encompasses metrics, logs, traces, telemetry pipelines, service mesh, developer experience, and system reliability that support thousands of services and millions of devices. You will be instrumental in driving a vision where developers achieve profound visibility with minimal overhead, onboarding is effortless, and insights are accessible in real-time. Your contributions will directly empower Roku...

Join Engine as a Senior Associate in Community OperationsAt Engine, we empower visionary founders who are tackling the world's most critical challenges in areas such as climate change, health, and advanced technologies. Our commitment includes providing robust support through founder programs, access to shared infrastructure and labs, and the opportunity to connect with a diverse national network of corporate partners, investors, and industry experts.

Role overview Telefonica Tech seeks a Level 2 Network Engineer based in Cambridge. This role centers on supporting the company’s network infrastructure and ensuring stable, reliable connectivity across systems. Day-to-day work involves troubleshooting, proactive maintenance, and contributing to operational goals. What you will do Identify and resolve network issues as they occur Monitor network performance and apply improvements to maintain reliability Work closely with colleagues in other departments to support both ongoing projects and daily operations

Join Harvard University as a Research Infrastructure and Software Engineer, where you will play a pivotal role in enhancing research capabilities through innovative software solutions. Collaborate with cross-functional teams to design, implement, and maintain robust infrastructure that supports diverse research initiatives. Your expertise will enable researchers to focus on their work while you ensure seamless access to data and resources.

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.

Speechify’s mission is to remove reading barriers and open up learning opportunities for everyone. Our text-to-speech technology supports over 50 million users, turning PDFs, books, Google Docs, news articles, and websites into audio. This helps people read more efficiently and remember more. The product suite covers iOS, Android, Mac, a Chrome Extension, and a Web App. Speechify has earned recognition from Google as Chrome Extension of the Year and received Apple’s 2025 Design Award for Inclusivity. The team is fully distributed, with nearly 200 professionals from companies such as Amazon, Microsoft, and Google, as well as graduates from Stanford and other top universities. Speechify operates without physical offices. Role Overview This Software Engineer position sits within the AI team, focusing on data infrastructure and acquisition. The work spans all aspects of data collection to support model training. The role blends infrastructure, engineering, and research to help build high-quality datasets at petabyte scale, efficiently and cost-effectively. What You Will Do Identify and source new audio data to improve the data ingestion pipeline. Manage and expand cloud infrastructure for data ingestion, currently on Google Cloud Platform (GCP) and managed with Terraform. Work closely with scientists to improve data quality, throughput, and cost, supporting the development of future models. Collaborate with the AI team and leadership to plan and prioritize datasets for upcoming consumer and enterprise products. What We Look For BS, MS, or PhD in Computer Science or a related field. At least 5 years of professional software development experience. Strong skills in bash and Python scripting in Linux environments. Familiarity with Docker and Infrastructure-as-Code, with hands-on experience using a major cloud provider (GCP preferred). Experience with web crawlers and large-scale data processing is a plus. Comfort handling multiple priorities and shifting focus as needed. Clear verbal and written communication skills. Location: Cambridge, United Kingdom (fully remote/distributed team).

Role OverviewJoin Healx as a passionate Platform Engineer, where your expertise will be pivotal in constructing cloud infrastructure and crafting production pipelines that advance our AI-driven drug discovery initiatives. You will play a crucial role in merging infrastructure with scientific software, engaging in design, development, and support of cloud systems, while also collaborating closely with bioinformaticians, machine learning engineers, and data scientists to implement effective data pipelines.As part of a compact, dynamic engineering team, you will take ownership of your tasks, drive innovation swiftly, and engage in collaborative pair programming. Your work will have a significant impact on the future of AI drug discovery, helping to find treatments for patients suffering from rare diseases. We encourage you to attach a cover letter detailing why you believe you would excel in this position. Our Approach to AI DevelopmentOur engineers leverage AI coding tools to address challenges and efficiently implement systems, while maintaining accountability for system design, implementation, and code testing. We prioritize rapid development alongside a deep understanding of the systems we create and manage. About HealxHealx is a pioneering tech bio company harnessing AI to transform drug discovery. With over 10,000 rare diseases impacting 400 million individuals globally, 90% of which lack approved treatments, Healx is committed to revolutionizing drug discovery to support patients in need. By integrating data, artificial intelligence, and profound pharmacology knowledge, we aim to develop treatments more swiftly and cost-effectively than traditional methods. We firmly believe that diversity and inclusion are fundamental to our mission of assisting individuals with rare diseases. At Healx, we encourage applications from candidates of all backgrounds and experiences.

Join AECOM as a Senior Cost Manager in our Infrastructure Consultancy division. In this pivotal role, you will be responsible for managing project costs and ensuring financial efficiency across various infrastructure projects. Your expertise will contribute significantly to the successful delivery of projects while maintaining the highest standards of quality and compliance.

AECOM is seeking a Senior Project Manager to lead defence infrastructure projects in Cambridge. This position centers on guiding complex projects from planning through delivery, with a strong emphasis on quality, safety, and compliance. Role overview The Senior Project Manager will coordinate all phases of defence infrastructure projects. Responsibilities include managing schedules, budgets, and resources, as well as ensuring adherence to project requirements. The role involves working closely with cross-functional teams to achieve defined goals and maintain high standards throughout each project phase. What you will do Oversee planning, execution, and delivery of infrastructure projects for defence clients Manage project timelines, budgets, and resources Lead and support cross-functional teams to meet project objectives Ensure strict compliance with quality, safety, and regulatory standards Requirements Proven experience in project management, ideally within defence infrastructure Strong leadership skills and ability to coordinate multidisciplinary teams Demonstrated ability to manage complex projects and deliver results within set parameters

Role overview Speechify seeks a Software Engineer focused on Data Infrastructure & Acquisition for its Cambridge, MA office. This position centers on building and improving data pipelines, ensuring the platform’s information remains accurate and current. The work directly supports Speechify’s mission to empower people through technology. What you will do Develop and refine data pipelines with an emphasis on reliability and efficiency Collaborate with team members to strengthen the platform’s data architecture Contribute to solutions that enhance data delivery throughout the platform Collaboration This role involves close partnership with engineers and other colleagues to advance Speechify’s data systems and foster ongoing innovation.

Join Cambridge Mobile Telematics (CMT), the leading telematics service provider dedicated to enhancing road safety and improving driver behavior. Our AI-driven platform, DriveWell Fusion®, integrates data from millions of IoT devices, including smartphones, connected vehicles, and dashcams, to provide invaluable insights for auto insurers, automakers, and mobility companies. Headquartered in Cambridge, MA, with global offices in Budapest, Chennai, Seattle, Tokyo, and Zagreb, we are committed to protecting millions of drivers daily.We are on the lookout for a dynamic and collaborative Senior Manager of Engineering to steer our Cloud Infrastructure team. This critical team is responsible for developing and enhancing the core platform services that underpin our telematics products, ensuring a secure, scalable, and robust infrastructure. As a leader, you will work closely with cross-functional engineering and product teams to shape and execute the technical roadmap.

Organizational Context/Position Summary:The Engineering & Utilities (E&U) department is responsible for the management and operation of energy supplies, district energy plants, and utility infrastructures across the Cambridge and Allston campuses. This includes a 24/7 facilities-related call center, alarm monitoring, and dispatch services, as well as providing engineering and technical support.This role encompasses senior-level electrical engineering responsibilities for the planning, design, technical support, operation, maintenance, and upgrades of the University’s utility infrastructure. This includes electric, steam, hot water, chilled water, energy/building management, and utility metering systems. The position will also involve executing special short- and long-range projects as directed.Duties & Responsibilities:Collaborate with E&U leadership to develop, refine, and uphold campus utility systems while coordinating with the needs of the University’s Schools and Units. Supervise the installation and relocation of underground utility infrastructures with minimal disruption to the University community. Assume full engineering accountability for utility distribution systems, ensuring capability, flexibility, reliability, safety, economic operation, and expansion considerations. Formulate and manage long and short-range plans and budgets regarding utility distribution upgrades. Generate distribution system statistics, records, and drawings, and contribute to the documentation of utility infrastructure for record-keeping.Maintain effective communication and relationships with governmental agencies to ensure the University’s interests are addressed safely, reliably, economically, and with minimal disruption. Stay updated with relevant government standards concerning employee environmental health and safety. Keep abreast of federal, state, municipal, industry, and University codes, regulations, practices, trends, and guidelines, along with the latest innovations in electrical design and equipment.Engage and work alongside E&U staff and partner groups to leverage systems, data, and reporting for E&U’s KPI monitoring and operational analysis. As stewards of university energy and utility systems, provide technical assistance to Campus Services personnel and support for the operation and maintenance of central energy and utility production/distribution systems as needed. Evaluate and recommend enhancements for preventive maintenance, inspection, and testing programs for the University’s electrical distribution systems, central chilled water and steam plants, and related electrical systems and equipment. Identify and develop cost control opportunities and system cost planning.

Location: Cambridge, MA (Eastern Time / UTC -4) Relocation package available or Remote option for Out-Of-State applicantsStart date: ASAPLanguages: English (required)About the RoleJoin Pragmatike, a dynamic AI startup recognized as a Top 10 GenAI company by GTM Capital, founded by esteemed MIT CSAIL researchers. We are currently seeking a Senior Multicloud Engineer who possesses extensive, hands-on experience in architecting, deploying, and managing production infrastructure across AWS, GCP, and Azure. This pivotal role involves working directly on cloud and platform layers to support large-scale, distributed AI systems for Fortune 500 clients.What You'll DoDesign, deploy, and maintain production infrastructure across AWS, GCP, and Azure.Ensure consistent environments through Infrastructure as Code (Terraform preferred).Manage and operate Kubernetes clusters and containerized applications across multiple cloud environments.Architect and oversee cloud networking solutions (VPC/VNet design, peering, load balancing, and private connectivity).Implement robust monitoring, logging, alerting, and incident response protocols for multicloud systems.Enhance performance, reliability, and cost-efficiency across providers using autoscaling and capacity planning strategies.Support AI training and inference workloads in multicloud settings.Diagnose and resolve complex production issues across compute, networking, storage, and Kubernetes layers.Collaborate with AI, backend, and platform teams to ensure seamless integration with production systems.What We're Looking For5+ years of experience as a Cloud/Platform/Infrastructure Engineer.Proven production experience with AWS, GCP, and Azure (strong expertise in at least one).

Riverlane seeks a Director of IT Infrastructure to lead technology operations at its Cambridge, UK headquarters. This permanent, full-time position offers a hybrid work arrangement and a salary range of £100,000 to £130,000 depending on experience. Role overview This senior leadership role oversees all aspects of IT at Riverlane, from managing corporate systems to optimizing high-performance computing (HPC) infrastructure. The Director will shape IT strategy, execute plans, and collaborate with engineering, operations, security, and finance teams to ensure infrastructure remains secure, scalable, and aligned with company growth. What you will do Lead and refine Riverlane's IT strategy, policies, and roadmap to support company objectives and security needs. Manage and improve corporate IT systems, including endpoint management, identity and access management (IAM), collaboration tools, SaaS platforms, and networking. Direct IT procurement, oversee vendor relationships, and optimize software licensing across all platforms. Establish and maintain IT support processes to ensure high availability and responsiveness for a team of scientists and engineers. Develop and manage Riverlane’s information security framework, covering policies, risk management, access controls, and compliance with standards such as ISO 27001. Compensation Salary: £100,000 to £130,000 DOE

Collaborate to Innovate in Streaming. Join Roku in Shaping the Future of TelevisionRoku, the leading TV streaming platform across the U.S., Canada, and Mexico, is on a mission to connect every television around the globe. As pioneers in the streaming industry, we empower consumers to access their favorite content, assist publishers in expanding their audience, and offer advertisers unique engagement opportunities.From your first day, you’ll play a crucial role at Roku, a dynamic public company where every voice matters. Experience the excitement of delighting millions of global TV streamers while gaining invaluable experience across various domains. About the TeamOur team focuses on developing and enhancing the UI framework and components that drive Roku's user experiences. Our strategic roadmap accelerates growth and scalability, delivering innovative features to tens of millions of Roku users worldwide.At Roku, our developers and engineers take ownership of their projects, driven by an intrinsic motivation to solve problems and deliver results. Collaboration with different engineering teams, UI design, product management, and business leaders is key to our success, creating an environment where independent spirit thrives alongside teamwork. We are innovators redefining the streaming media landscape. About the RoleAs a Senior Software Engineer specializing in UI Infrastructure, you will significantly contribute to the development of our embedded UI framework. Collaborating closely with system architects, you will create new features and enhance existing ones to boost system stability and performance. Additionally, you will be instrumental in developing tools that benefit the broader development community at Roku. Your proven success in delivering high-quality software on embedded platforms will be essential to our ongoing innovation.

Your Contribution at Lila Sciences Be a part of our mission to revolutionize science! We are on the lookout for a skilled Senior Backend Software Engineer to become a vital member of our software platform team. In this role, you will work alongside talented software engineers, laboratory scientists, and machine learning engineers to develop advanced tools for automated scientific analysis and beyond. Your focus will be on Python development, web services, and data engineering, creating impactful scientific applications. If you excel in a dynamic, collaborative environment and advocate for best practices in git, development workflows, and user-centered design, we invite you to apply! Your Projects Service Design & Development: Craft and build high-performance, secure, and well-documented code that seamlessly integrates with our existing services and applications. System Optimization: Identify and resolve system bottlenecks, ensuring high availability and low-latency performance across extensive workloads. Cloud Infrastructure: Utilize AWS services, Kubernetes, and modern DevOps methodologies to construct and deploy scalable production-grade systems. Collaborative Integration: Partner with ML researchers, engineers, and scientists to incorporate data pipelines, APIs, and cloud infrastructure into scientific workflows and services.

The Engine supports Tough Tech entrepreneurs who are developing solutions for major global challenges. As a nonprofit, the organization connects founders with infrastructure, funding, and operational support to help turn breakthrough science and technology into real-world impact. Role overview The Chief Growth Officer (CGO) will lead The Engine through its next phase of growth. This executive shapes partnership strategies, drives revenue initiatives, and works to strengthen the organization’s market position. The CGO also serves as a strategic advisor to the CEO and leadership team, providing input on key organizational decisions. Who should apply Experienced leaders with a background in Tough Tech, either as entrepreneurs or commercial executives Individuals with a track record of scaling organizations and launching first-of-a-kind (FOAK) projects Candidates who have advocated for Tough Tech founders and engaged with the broader ecosystem Location This position is based in Cambridge.

Join our dynamic team at Ramboll as a Senior / Principal Electrical Engineer. In this role, you will lead innovative projects, collaborate with a talented team, and contribute to the development of sustainable electrical solutions. Your expertise will be pivotal in driving forward our commitment to excellence in engineering.