Systems Security Jobs

The Information System Security Manager role at Calibre involves leading cybersecurity strategy and operations for a mission-focused digital transformation team. Key responsibilities include establishing the enterprise information security architecture, managing security budgets and staffing, and advising senior leadership on risk levels and cost-benefit analyses. The position also requires overseeing continuity of operations programs, coordinating cybersecurity inspections, and ensuring security requirements are integrated into new technology acquisitions. This opportunity is appealing due to the company's employee-owned culture and the chance to shape security strategy for critical systems. The role demands an active TS/SCI clearance and relevant certifications such as CISSP or GSLC, offering a high-impact environment for experienced security professionals.

This part-time Night-Shift Security and Fire Prevention Specialist role supports McGill Environmental Systems' mission to restore soil health through sustainable composting. The position requires an on-site presence during overnight hours to ensure facility safety and security. Key responsibilities include conducting hourly patrols of high-risk areas like compost pits, monitoring for fire hazards and environmental irregularities, and maintaining detailed security logs. The role appeals to individuals seeking meaningful work that contributes to a cleaner environment within a culture that values integrity and continuous improvement. The position offers flexible scheduling with 3-4 nights per week, opportunities for career advancement, and comprehensive benefits including tuition reimbursement and a 401(k) match.

The Systems Safety Engineer role at ManTech supports national security missions by ensuring the safety and compliance of advanced technologies. Key responsibilities include conducting comprehensive risk assessments, developing safety management plans, and leading incident investigations to implement corrective actions. The position requires close collaboration with engineering teams to integrate safety principles from design through deployment while maintaining adherence to rigorous regulatory standards. This opportunity appeals to professionals seeking to work in complex, dynamic environments with a strong commitment to safety. The role offers the chance to utilize specialized analysis tools and methodologies while contributing to critical sector projects. Work arrangements involve collaborative team efforts within a mission-driven organization.

This full-time Systems Administrator Principal role supports the Engineering, Development, Integration and Sustainment program for the U.S. Space Force at Schriever AFB. The position focuses on managing a Linux-heavy enterprise environment, including the installation, configuration, and maintenance of production servers within a VMWare virtualized infrastructure. Key responsibilities involve enforcing DISA STIG security compliance, performing daily system monitoring and log management, executing security scans, and conducting root cause analysis for hardware and software issues. The role appeals to candidates seeking to contribute to national security missions while working with a highly technical, cross-functional team. The position requires a TS/SCI clearance and offers a collaborative culture focused on resilience and advanced technology, with occasional on-call support duties.

This full-time Electronics Technician role within the R&D team at Fibertek supports the design and assembly of electro-optical systems for NASA and DoD projects in Herndon, Virginia. The position involves hands-on tasks such as building, integrating, and testing circuit boards, laser components, and associated cabling while utilizing lab instruments for data capture and measurement. Key responsibilities include prototyping, modifying systems, and managing multiple concurrent projects ranging from quick-turn tasks to long-term research initiatives. The role appeals to candidates seeking a creative and relaxed work environment with minimal bureaucracy, offering opportunities for professional growth and personal challenge within a culture that values innovation and customer success.

The FMS Systems of Systems Engineering Lead role focuses on shaping large-scale international security and foreign military sales capabilities. The position involves leading early engineering efforts, defining requirements, and integrating C4I systems into complex architectures. Key responsibilities include providing technical guidance to the Chief Engineer, managing acquisition processes, and mentoring teams on advanced technologies like unmanned vehicles. This opportunity appeals to engineers seeking to impact global defense strategies while blending technical expertise with strategic acquisition knowledge. The role requires a Secret clearance and offers a hybrid or remote work arrangement with opportunities for professional growth and collaboration within a people-first culture.

This onsite Principal Systems Engineer role within the Mission Systems Secure Systems Department at Collins Aerospace focuses on designing and developing secure communication solutions for global military operations. The position requires an active Secret clearance and involves leading system architecture, performing functional analysis to translate customer needs into technical specifications, and managing system integration and verification processes. The role offers significant professional growth through mentorship, exposure to cryptographic hardware design, and collaboration with cross-functional teams on high-impact defense projects. Candidates will work in a collaborative environment dedicated to advancing national security technology while gaining expertise in complex system development lifecycles.

This onsite Senior Systems Engineer role within the Mission Systems Secure Systems Department at the Cedar Rapids facility focuses on designing and developing secure communication solutions for global military operations. The position involves performing system architecture, functional analysis, and requirements allocation to translate customer needs into hardware and software specifications for defense products. Key responsibilities include leading system integration, verification, and validation efforts while working within a classified laboratory environment. The role is appealing for its opportunity to gain technical leadership experience, mentor junior engineers, and work alongside subject matter experts in an ever-evolving field of security-hardened technology. It offers a collaborative culture with significant career growth potential, travel opportunities up to 10 percent, and a comprehensive benefits package including tuition reimbursement and retirement matching.

The Transit Security Officer role is a full-time position within the public safety team responsible for maintaining order and safety across transit systems. Key responsibilities include conducting regular patrols of stations and vehicles, monitoring surveillance equipment, enforcing regulations, and responding to emergencies or suspicious activities. The position requires strong communication skills to assist passengers and de-escalate tense situations while collaborating with law enforcement. This role is appealing due to the opportunity to make a meaningful impact on community well-being, comprehensive benefits including health and retirement plans, and clear pathways for specialized training and career advancement. The position offers flexible shift options ranging from early morning to overnight hours and requires physical fitness for active duty in various transit environments.

The Senior Systems Engineer role supports a mission-critical analytics platform within a premier national security solutions firm. The position focuses on administering Linux-based high-performance computing environments, managing workload scheduling, and utilizing automation tools like Ansible for system orchestration. Key responsibilities include providing Tier 3 support for complex technical issues, optimizing system performance, and collaborating with data scientists to ensure platform reliability. This opportunity appeals to engineers seeking to work on advanced research initiatives with a focus on security and scalability. The role involves on-call rotations to maintain critical availability and offers a chance to contribute to long-term platform strategy in a collaborative, mission-driven environment.

The Transit Security Officer role is a full-time position within the public safety team responsible for maintaining order and safety across transit systems. Key duties include conducting regular patrols of stations and vehicles, monitoring surveillance equipment, enforcing regulations, and responding to emergencies or suspicious activities. The position offers a collaborative environment with opportunities for specialized training and career advancement. The role features flexible shift options including early morning, evening, and overnight schedules, allowing candidates to contribute to community well-being while working in a dynamic, mission-driven setting.

The Senior Analyst - ISO Security Governance role supports Federal and Department of Defense customers by managing complex information assurance requirements and security governance frameworks. Key responsibilities include performing risk assessments, advising system owners on compliance with NIST and DoD standards, and collaborating with enterprise teams to align security policies with federal regulations. The position involves maintaining governance activities such as vendor assessments and risk registers while recommending enhancements to the security posture. This opportunity appeals to professionals seeking to work with cutting-edge security technologies in a fast-paced environment. The role requires a blend of independent judgment and collaborative teamwork to translate technical security language into business terms. Candidates will engage with shared services and business development teams to ensure robust governance for existing and prospective contracts.

This senior analyst role focuses on ISO security governance within a team supporting Federal and Department of Defense customers. The position involves performing complex risk assessments, establishing information assurance requirements, and advising system owners on security policies. Key responsibilities include aligning organizational governance with federal regulations like NIST and FISMA, collaborating with ISSO teams, and managing governance activities such as vendor assessments and risk registers. The role appeals to candidates seeking to work with advanced security frameworks and tools in a fast-paced environment. It requires strong communication skills to translate technical security concepts into business terms and offers the opportunity to influence security posture for high-stakes government contracts.

The Senior Analyst - ISO Security Governance role supports Federal and Department of Defense customers by managing complex information assurance requirements and security governance frameworks. Key responsibilities include performing detailed risk assessments, advising system owners on compliance with NIST and DoD standards, and collaborating with enterprise teams to align security policies with federal regulations. The position involves maintaining governance activities such as vendor assessments and risk registers while recommending enhancements to the security posture. This opportunity appeals to professionals seeking to work with cutting-edge security technologies in a fast-paced environment. The role offers the chance to apply expertise in FedRAMP and RMF processes within a collaborative culture that values initiative and complex problem-solving.

The IT Security Administrator role focuses on developing and maintaining security policies, identity management systems, and backup processes within a collaborative team. Key responsibilities include managing user accounts and network access rights, performing system maintenance and hardware troubleshooting, and collaborating with cyber defense units to monitor alerts and ensure data redundancy. This position appeals to candidates seeking professional growth through opportunities for challenge and advancement while upholding core values of integrity and teamwork. The role requires a blend of technical expertise in network security and system administration, offering a stable environment for those dedicated to protecting organizational assets and supporting community needs.

This senior systems safety engineering role at Lockheed Martin Space in Denver focuses on ensuring the safety of national defense and spacecraft systems throughout their lifecycle. The position involves conducting detailed hazard analyses, developing safety documentation such as Preliminary Hazard Lists and Safety Assessment Reports, and supporting design reviews and verification activities. Key responsibilities include coordinating with test range safety teams, maintaining hazard tracking systems, and translating customer requirements into hardware and software safety standards. The role appeals to professionals seeking to work on cutting-edge space technology within a culture that values integrity, innovation, and work-life balance. Employees benefit from flexible work schedules, comprehensive career development opportunities, and a collaborative environment that encourages big-picture thinking and diverse perspectives.

The IT Security Auditor role supports the Cyber Security, Risk and Compliance team at Rolls-Royce in Indianapolis through a hybrid work arrangement requiring three days in the office. Key responsibilities include planning and executing security audits across IT systems and supply chains, developing corrective action plans to address vulnerabilities, and presenting findings to senior management. The position offers the appeal of working for a globally recognized engineering leader with a strong commitment to safety and innovation. Employees benefit from a collaborative culture that invests in professional growth, access to extensive development opportunities, and a flexible work model that balances remote and on-site collaboration.

This full-time Unarmed Security Officer role is part of Metro One Loss Prevention Services Group, a dynamic team reshaping the security industry with a service-driven approach. The position involves delivering exceptional customer service to clients and visitors, monitoring CCTV surveillance systems, and completing accurate daily activity reports. Officers are also responsible for observing site activities and responding promptly to critical incidents or emergencies. The role appeals to those seeking a supportive career environment with opportunities for growth and skill development. It offers flexible scheduling to support work-life balance, weekly pay, and comprehensive benefits including health, dental, vision, and a 401(k) program. The position requires reliable transportation and is available in various locations, with prior experience in security or law enforcement considered a plus.

The Residential Security Agent role involves protecting a private family and their property within a high-security residence. Key responsibilities include monitoring intrusion detection systems and CCTV, managing access control for visitors and vendors, and making real-time operational decisions to ensure client safety. The position requires maintaining detailed security logs, coordinating with global operations centers, and fostering strong relationships with the client family while upholding strict confidentiality. This opportunity appeals to candidates seeking a dynamic, team-oriented environment with opportunities for travel and special assignments. The role offers a supportive culture that values integrity and professional growth, complemented by comprehensive benefits including health insurance and retirement matching.

This full-time unarmed security officer role is based within M1 Global's security and loss prevention team, focusing on delivering service-driven protection to clients. Key responsibilities include monitoring CCTV surveillance systems, conducting site surveys, and responding promptly to critical incidents while maintaining accurate daily activity reports. The position appeals to candidates seeking a supportive, growing environment that values career development and work-life balance through flexible scheduling. The company offers a collaborative culture where employees can strengthen their skills and make a tangible difference. The role requires reliable transportation and is available for individuals with a high school diploma or equivalent, with assistance provided for obtaining state security licenses if needed.

The Senior Analyst - ISO Security Governance role supports Federal and Department of Defense customers by managing complex information assurance requirements and security governance frameworks. Key responsibilities include performing risk assessments, advising system owners on compliance with NIST and DoD standards, and collaborating with enterprise teams to align security policies with federal regulations. The position involves maintaining governance tools, conducting vendor assessments, and translating technical security language into business terms. This opportunity appeals to professionals seeking to work on high-impact government contracts within a collaborative environment that values initiative and complex problem-solving. The role requires a blend of independent judgment and teamwork to navigate a fast-paced, deadline-oriented setting.

The Senior Analyst - ISO Security Governance role supports Federal and DoD customers by managing complex information assurance requirements and security governance frameworks. Key responsibilities include performing detailed risk assessments, advising system owners on compliance with NIST and FedRAMP standards, and collaborating with enterprise teams to align organizational policies with federal regulations. The position involves maintaining governance registers, facilitating vendor assessments, and translating technical security language into business terms. This opportunity appeals to professionals seeking to work with cutting-edge security technologies in a fast-paced environment. The role offers the chance to influence high-level security strategy while developing expertise in federal compliance frameworks. Candidates will work within a collaborative team structure that values initiative and complex problem-solving.

This senior analyst role focuses on ISO security governance within a team supporting Federal and Department of Defense customers. The position involves performing complex risk assessments, establishing information assurance requirements, and advising system owners on security policies. Key responsibilities include aligning organizational governance with federal regulations like NIST and FISMA, collaborating with ISSO teams, and managing governance activities such as vendor assessments and risk registers. The role appeals to professionals seeking to work with cutting-edge security technologies in a fast-paced environment. It offers the opportunity to apply specialized knowledge of FedRAMP and RMF frameworks while developing solutions for complex security challenges. The position requires a blend of independent judgment and collaborative teamwork to navigate regulatory demands effectively.

This full-time Residential Security Agent role supports protective operations within a high-profile private residence in Hawaii. The position involves safeguarding the client family and property, managing access control, monitoring surveillance systems, and maintaining detailed security logs. Key responsibilities include making real-time operational decisions to ensure safety, coordinating with intelligence teams and law enforcement to mitigate threats, and maintaining strict confidentiality. The role appeals to candidates seeking professional growth through extensive training, certification renewals, and a supportive work environment that offers cost of living assistance and comprehensive benefits. While the position requires physical readiness and availability for irregular hours, it provides a dynamic career path within a diverse organization dedicated to excellence in protective services.

This full-time Electronics Systems Engineer II role supports the development of advanced avionics products within Lockheed Martin Space's integrated development environment. The position requires on-site work at the Littleton, Colorado facility on a flexible 9x80 schedule. Key responsibilities include drafting and managing requirements specifications, utilizing DOORS for change control, and coordinating critical design review milestones such as SRR, PDR, and CDR. The role appeals to systems thinkers who wish to contribute to future-ready space solutions while benefiting from a culture that values innovation, ethical business practices, and extensive employee volunteerism. Candidates will work with a collaborative team to solve complex integration challenges and advance spacecraft technology.