Senior Systems Engineer - IT Infrastructure

Join our dynamic team at Alarm.com as a Cloud Security Engineer, where you will play a crucial role in safeguarding our cloud environments across AWS, GCP, and Azure. This position focuses on identifying and mitigating security risks using cutting-edge cloud-native security tools and managing comprehensive security solutions. You will collaborate with multiple teams to integrate security throughout the software development lifecycle while maintaining robust threat models. Additionally, you'll ensure compliance with security regulations and assist in formulating risk mitigation strategies, responding to security inquiries from clients and partners. Familiarity with cloud security platforms such as CNAPP, CSPM, CWPP, CASB, CIEM, and the Wiz tool will be advantageous in this role.Key Responsibilities:Demonstrate experience or familiarity with cloud security or engineering in major public cloud providers (AWS, GCP, Azure).Assist in evaluating, implementing, and deploying cloud-native security tools in AWS and Azure.Support monitoring, configuring rules, and enforcement using cloud security platforms like CNAPP, CSPM, CWPP, CASB, and CIEM.Utilize the Wiz tool for cloud security posture management, including configuration analysis and compliance monitoring.Contribute to the selection and enhancement of security solutions to elevate overall enterprise security.Collaborate with the Engineering team to determine and maintain our security posture.Manage deployment, integration, and configuration of security solutions, ensuring all documentation is up to date.Work closely with development, operations, and security teams to embed security in every phase of the software development lifecycle.Assist in creating and maintaining threat models for cloud environments and train engineering teams in risk-driven design principles.Partner with infrastructure, application, and other stakeholders to minimize security and privacy risks in deployed solutions.Recommend actions to management for ensuring compliance with security regulations in decision-making processes.Provide insights to mitigate risks associated with IT and information management.Assist in crafting responses to security questionnaires from clients and partners.Other duties as assigned.

The Principal Network Security Engineer plays a vital role in overseeing the management, lifecycle operations, and security of our Cisco-based networking infrastructure. This key position requires a leader who can administer, configure, monitor, and optimize core network systems and platforms, while also implementing best practices in security management. This role uniquely blends technical operational management of critical Cisco platforms with extensive information security responsibilities across both hybrid cloud and on-premises environments. Key Responsibilities: Administer, monitor, and optimize Cisco infrastructure, including firewalls, identity management, and network analytics platforms. Perform routine software and firmware upgrades, patching, and configuration updates on network and security appliances. Ensure effective network segmentation and secure access by configuring and enforcing network access controls. Manage and maintain secure remote access solutions for users and devices. Deploy, configure, and tune next-generation network perimeter and detection tools to ensure consistent policy enforcement. Oversee application delivery and web application security solutions, assisting with WAF configuration and incident response. Monitor network telemetry and activity for anomalous behavior or security events. Respond to and investigate network, security, or operational incidents in both on-premises and cloud environments. Support DDoS and threat protection systems, maintaining readiness and reporting suspicious activities. Collaborate with infrastructure and application teams to design and implement secure, compliant architectures across cloud and datacenter. Participate in vulnerability management processes, remediating identified exposures across managed platforms. Contribute to security operations, including event and log analysis, and enhancing detection capabilities. Develop and maintain infrastructure documentation, runbooks, and operational standards. Enable automation for repeatable network and security processes using scripting and modern tools. Provide technical guidance and mentorship to junior staff on security best practices and platform operations. Other duties as assigned.

Join Alarm.com as a Staff Security Engineer and play a crucial role in safeguarding our innovative security solutions. We are seeking a proactive and analytical professional who is passionate about security and technology. In this role, you will be responsible for identifying vulnerabilities, designing security measures, and ensuring compliance with industry standards. Your expertise will help us protect our customers and maintain their trust.

Are you eager to explore intricate systems? Do you have a genuine passion for enabling engineering teams to deliver secure, high-quality software? If you thrive on addressing practical security challenges at scale and enjoy collaborating closely with developers, architects, and product teams, we want to hear from you!Alarm.com is seeking an Application Security Architect to become a key member of our expanding security organization. In this pivotal role, you will take charge of application security and have the chance to help shape and potentially establish the AppSec function over time. You will play an active and influential role in determining how we build secure software across a wide range of platforms—including mobile applications, cloud services, on-premises systems, IoT devices, and innovative AI-driven features. Your collaboration with engineers across the organization will include participating in design reviews, leading threat modeling sessions, and guiding teams to adopt secure development practices that protect our customers and partners.At Alarm.com, you will find an environment where your contributions can significantly influence both technology and company culture. Work alongside talented and approachable engineers, engage with cutting-edge products, and leverage a platform that encompasses everything from home automation to large-scale data processing. If you are looking for a mix of profound technical challenges, cross-functional collaboration, and hands-on security engineering, this could be the ideal place to advance your career.

Join Alarm.com as a Cloud Operations Intern specializing in DevOps, where you will gain hands-on experience in cloud infrastructure management and support. This internship offers an exciting opportunity to work with cutting-edge technologies and collaborate with industry professionals in a dynamic environment. You will contribute to the development and maintenance of cloud solutions, enhancing our operational efficiency.

Join Lavendo, a leading innovator in data security solutions, as an Account Executive. In this dynamic role, you will harness your sales expertise to drive the adoption of our cutting-edge data security products. You will engage with potential clients, understand their security needs, and present tailored solutions that enhance their data protection strategies.Your contributions will directly influence our mission to safeguard sensitive information across various industries. If you are passionate about technology and security, this is the place for you!

The Purchasing Agent for the Security Electronics Systems (SES) Division plays a vital role in managing the procurement of critical security electronics, such as CCTV systems, badge readers, and access control devices. This position is essential for supporting mission-critical projects, ensuring the timely and cost-effective acquisition of necessary equipment. Successful candidates will have a strong background in the security electronics industry and will work closely with engineering and project teams to meet stringent project deadlines and technical specifications. Given the urgent need, swift onboarding is essential.

This Site Reliability Engineer position at Cathexis is based in Tysons, Virginia and requires an active Top Secret clearance. The role centers on managing and optimizing Kubernetes clusters for both internal teams and government clients, supporting digital transformation and AI-driven projects. Key responsibilities Maintain and scale Kubernetes clusters in production settings Monitor system health to ensure uptime and meet performance goals Support cloud infrastructure operations and automation through Infrastructure as Code (IaC) Assist with deploying data-driven AI solutions for government clients Requirements Active Top Secret security clearance Extensive experience administering and troubleshooting Kubernetes environments Strong knowledge of cloud infrastructure, whether public or private Proven skills with Infrastructure as Code tools and practices Cathexis provides program and project management, data analytics, and audit services to government agencies. The team values integrity, accountability, and collaborative growth, fostering an environment where employees can build their strengths and work toward shared goals.

Location: Tysons Corner, VA (HQ) – Onsite with Regular TravelTeam: Early Planning GroupEmployment Type: Full-TimeClearance Requirement: Must be a U.S. CitizenAbout the RoleThis position is perfect for engineers early in their careers (2–5 years) who are eager to engage in complex, mission-critical infrastructure projects, particularly large-scale data centers and secure facilities. As a Project Planning & Commissioning Engineer, you will collaborate on early planning, coordination, and commissioning activities, ensuring that high-performance electrical, mechanical, and control systems are brought online safely, efficiently, and within schedule.This is an onsite, hands-on role based at the headquarters in Tysons Corner, where you will work closely with multidisciplinary teams in design, construction, and commissioning.Key ResponsibilitiesEarly Project Planning SupportAssist in creating cost models, manpower forecasts, and material tracking systems.Facilitate alignment of schedules and expectations among engineering, construction, and commissioning stakeholders.Commissioning Execution SupportHelp in planning, coordinating, and executing commissioning activities.Support system readiness checks, testing procedures, SOPs/MOPs, and turnover documentation.Data-Driven Project ExecutionUtilize tools such as Excel or Power BI to analyze project schedules, commissioning data, and test results.Provide insights to enhance efficiency, sequencing, and operational readiness.Cross-Functional Field CollaborationCollaborate with design engineers, construction teams, field technicians, and operations personnel.Assist in troubleshooting and ensuring seamless system integration during commissioning.Documentation & ReportingMaintain thorough documentation for commissioning test results and safety compliance.Generate reports, checklists, and closeout packages.

Join our dynamic team at Alarm.com as a Software Engineer II, where you will be responsible for developing innovative software solutions to enhance our cutting-edge security and automation platforms. You will collaborate with cross-functional teams to design, implement, and maintain scalable applications that meet the needs of our growing customer base.

Join Alarm.com for Business as a Quality Engineer and play a vital role in validating our hardware, software, and back-end systems associated with our Property Management solutions. In this pivotal position, you will collaborate closely with product development teams to ensure our offerings consistently meet and exceed industry quality standards. You will be responsible for driving solutions from initial concept through to launch and monitoring performance post-launch.The ideal candidate will hold a college degree and possess 1-2 years of relevant experience in the field. You should have advanced technical skills, the ability to communicate effectively across all leadership levels, and a passion for enhancing product quality through continuous improvements. If you thrive in an environment with dynamic priorities and enjoy contributing to the success of a product roadmap, this cross-functional role presents a fantastic opportunity for impactful growth.

Alarm.com is hiring a DevOps Engineer based in Tysons, Virginia. This position centers on bridging development and operations teams to ensure software deployments are both reliable and efficient. Key Responsibilities Work with teams throughout the company to enhance infrastructure and simplify workflows Automate deployment steps to support regular software releases Maintain and improve systems that power Alarm.com’s smart home technology Collaboration and Culture This role involves close collaboration with colleagues from a range of backgrounds. Teamwork and ongoing improvement are core values at Alarm.com, and contributions from every team member are encouraged.

Role Overview Alarm.com is seeking a Senior Director of Device Engineering to guide a talented team focused on designing and building technology solutions for customers. This leadership role shapes the direction of device engineering, with a strong emphasis on delivering products that meet high standards for quality and performance. What You Will Do Lead and mentor the device engineering team Set and execute the strategic vision for engineering initiatives Oversee project management, including resource planning and project delivery Support team growth and professional development Ensure products align with company goals for quality and performance Location This position is based in Tysons, Virginia.

Join Alarm.com as a Software Engineer II and play a pivotal role in developing innovative software solutions that enhance home and business security. You will collaborate with cross-functional teams to design, implement, and maintain scalable applications, ensuring they meet high standards of performance and reliability.

Quality Engineer – Connected Ecosystem POSITION OVERVIEW The Quality Engineers on our Connected Ecosystem team play a vital role in ensuring the seamless integration of diverse smart home devices within Alarm.com’s innovative ecosystem. This position emphasizes functional testing of end-to-end systems, providing hands-on experience across the entire product stack, which includes software, firmware, hardware, and networked systems. This role is ideal for recent graduates or early-career Quality Engineers who are self-motivated, exhibit a strong sense of accountability, and are enthusiastic about expanding their technical expertise. Candidates who thrive in problem-solving situations and can navigate ambiguous scenarios while learning complex systems will excel. You will not only perform tests but also critically assess system behavior and drive quality enhancements. WHAT SUCCESS LOOKS LIKE IN THIS ROLE You take ownership of assigned features or systems and proactively identify quality risks. You independently investigate issues, gather data, and propose actionable next steps before escalation. You produce clear, actionable test documentation and detailed bug reports. You continuously enhance your technical knowledge of the system under test. You collaborate effectively with engineering, product management, and other QA teams to enhance quality. RESPONSIBILITIES Develop a deep understanding of product functionality, system architecture, and data flow. Create, execute, and maintain comprehensive test plans, test cases, and supporting documentation. Conduct manual end-to-end testing across hardware, firmware, software, and network components. Identify, document, track, and manage defects until resolution. Generate high-quality, detailed, and reproducible bug reports. Analyze logs, metrics, and system data to troubleshoot and pinpoint root causes. Set up, configure, and maintain testing environments, devices, and equipment. Triage urgent or high-impact issues, prioritize effectively, and suggest solutions. Configure, maintain, and monitor test automation setups as necessary. Assess risks and determine appropriate testing strategies based on system complexity and potential impact. Collaborate closely with developers, product managers, and other engineering teams. Continuously seek opportunities to enhance test coverage, tooling, and processes. Perform other duties as assigned.

About the RoleJoin our Engineering team as a Project Engineer, where you will be pivotal in propelling solar and distributed generation initiatives from the initial development phase to a construction-ready design. Collaborating closely with our Development, Construction, and third-party engineering teams, you will carry the technical responsibilities that transform project concepts into permitted, optimized systems, ensuring precision, efficiency, and value throughout every project stage.What You’ll OwnSite Due Diligence – Lead and supervise environmental analyses, surveys, and geotechnical investigations; manage contracts for third-party diligence work on active development projects.Engineering Design – Analyze site data and create civil, electrical, and structural design drawings utilizing AutoCAD and Virto, either independently or in collaboration with external engineers.System Optimization – Refine designs to determine the best equipment, layout, and system configuration that maximizes energy yield and overall project value.Energy Modeling – Construct detailed energy models in PVSyst, incorporating 3D shading scenarios, soiling calculations, site-specific losses, and carefully chosen weather data.Permitting & Construction Drawings – Oversee the creation of permit and construction-level drawings across all disciplines, ensuring compliance with codes, AHJ and utility standards, and alignment with Madison’s technical specifications.Project Administration – Manage RFIs, submittals, bids, contracts, and budgets using Procore; identify value engineering opportunities throughout the project's lifecycle while adhering to defined budget, schedule, and scope.What Will Help You Succeed(You don’t need to fulfill every criterion, but the following will aid your success.)Education – Bachelor’s degree in Engineering or equivalent experience; a background in Electrical Engineering is preferred, although Mechanical, Civil, and Energy Engineering candidates have also excelled in this role.Experience – 3+ years of experience in designing and permitting photovoltaic construction projects or relevant experience in a similar field.Technical Skills – Proficient in AutoCAD and PVSyst (or equivalent energy modeling software); familiarity with Procore or similar project management platforms is beneficial.Design Judgment – Ability to make informed decisions based on site due diligence and design considerations.

Join Alarm.com as a Staff Software Engineer where you'll be at the forefront of artificial intelligence innovation. You'll collaborate with a team of talented engineers to develop cutting-edge solutions that enhance our products and services. This role offers an exciting opportunity to shape the future of smart home technology.

Join Alarm.com as a Senior Software Engineer, where you will play a pivotal role in driving innovative solutions that enhance security and automation for our clients. Your expertise will contribute to the design and development of cutting-edge software applications that are integral to our mission.

Join Our Team as an Electrical Engineer - Mission Critical InfrastructureAre you an innovative Electrical Engineer with a passion for mission-critical projects? We are looking for a dedicated professional to join our team in Tysons, VA, specializing in electrical engineering and construction project management.Your Role: You will be responsible for managing and overseeing various electrical projects, ensuring they are completed on time and within budget. Your expertise will help drive the success of our mission-critical infrastructure initiatives.