25 system administrator jobs found

Responsibilities: Security and Counterintelligence organization is responsible for the protection of the National Security Agency's information, people, and facilities worldwide. In support of this mission, Security Technologists oversee the development, installation and maintenance of physical security systems. These systems and installations must meet stringent national security directives, UL standards and various national and local codes. These systems are an integral element of an overall security theory, posture and infrastructure designed to efficiently deter, delay, detect and identify threats to NSA's employees, resources and facilities. The Security Technologist work role supports the Physical Security division. Desirable candidates for this particular position shall have knowledge/skills in at least one of the following areas: 1) The System Administrator function is responsible for planning and coordinating the installation, testing, operation, troubleshooting, and...

Overview LMI is seeking a highly skilled DevSecOps Engineer to support Army Acquisition, Training, and Readiness (AT&R) in the sustainment and enhancement of the Army Contract Writing System (ACWS). ACWS is built on the Appian Platform. This position will enable secure, repeatable delivery by designing and maintaining CI/CD pipelines, automating infrastructure provisioning, integrating security controls, and supporting scalable cloud and containerized environments. The ideal candidate is comfortable working across development, infrastructure, and cybersecurity disciplines and can translate evolving requirements into clean, scalable, secure technical implementations while supporting an Agile delivery environment. LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal...

Standard Job Description At Lockheed Martin's Rotary and Mission System's Cyber Resiliency organization, we are dedicated to engineering and deploying cutting-edge cyber defense solutions across our corporation. Our focus on cybersecurity is paramount to ensuring mission success for our customers, even in the face of evolving cyber threats. THE WORK As a member of our team, you will be involved in a variety of activities aimed at enhancing the cyber resiliency of the AFSOC ACTS program. This includes tasks such as: • Hardening operating systems, applications, and network devices • Conducting vulnerability scans • Continuous monitoring of the security posture of the system • Assisting with Government Certification Test and Evaluation (CT&E) and Vulnerability Testing • Implementing security updates and patches • Applying configuration changes to ESS and ACAS security tools • Providing support to maintain the Certification and Accreditation (C&A) of the system to...

Description: WHAT WE’RE DOING At Lockheed Martin's Rotary and Mission System's Cyber Resiliency organization, we are dedicated to engineering and deploying cutting-edge cyber defense solutions across our corporation. Our focus on cybersecurity is paramount to ensuring mission success for our customers, even in the face of evolving cyber threats. WHO WE ARE Lockheed Martin is driven by innovation, integrity, and a commitment to excellence. We believe in applying the highest standards of business ethics and visionary thinking to everything we do. As part of our team, you will collaborate with a cross functional team of technical professionals including software and systems engineers and radar operators to maintain the cybersecurity posture of the Space Fence Radar System. WHO YOU ARE We are looking for individuals who are passionate about cybersecurity and eager to contribute their skills and expertise to our mission. You should have demonstrable knowledge in...

Basic Qualifications Bachelor's degree in Engineering, or a related Science or Mathematics field, plus a minimum of 8 years of relevant experience; or Master's degree plus a minimum of 6 years of relevant experience.   CLEARANCE REQUIREMENTS: Current or active Department of Defense Top Secret clearance with SCI eligibility required with ability to obtain a Polygraph is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position   We are seeking a highly skilled and experienced Cyber Security Analyst / SIEM Engineer to join our SPRINT Next program team in San Antonio, Texas . In this position, you will serve as a security engineer responsible for administering and...

Overview LMI is seeking an Autonomous Systems Integrator with strong DoD networking expertise to support Autonomous Warfare Command staff. The Integrator designs, configures, and troubleshoots the logical networks and secure data connections that link autonomous platforms, control stations, mission software, cloud services, and tactical edge systems. The role translates operational needs into network architectures and integration plans, then works across government and industry teams to deliver reliable end-to-end connectivity and interoperability.   Networking is the primary technical discipline for this position, supported by practical software integration and cloud experience. The emphasis is on routing, virtual networks, segmentation, secure communications, application connectivity, and data exchange across mission environments, rather than primarily administering physical servers, switches, or network appliances. The ideal candidate combines hands-on...

Description SAIC is seeking a Risk Management Framework (RMF) Analyst for an Information Systems Security Officer (ISSO) position supporting the RMF requirements of the North American Aerospace Defense Command and United States Northern Command (NORAD/USNORTHCOM) Information Technology (IT) Enterprise Services (NITES) contract. The primary work location is onsite in Colorado Springs. Responsibilities: Supporting and executing the RMF process across multiple enterprise systems and enclaves by maintaining system registrations, security baselines, and evidentiary records within the Enterprise Mission Assurance Support Service (eMASS). Operating with ISSO-level ownership to independently drive continuous monitoring and Authority to Operate (ATO) sustainment, ensuring an uninterrupted and robust security posture. Ensuring cybersecurity standards and operational hygiene are consistently maintained to support a Cyber Operational Readiness Assessment (CORA)-ready posture....

Description SAIC is seeking a Senior Security Engineer to support the Portsmouth Naval Shipyard (PNSY) Information Technology Programs for the Dept of the Navy. This initiative leverages advanced technologies and integrates critical defense systems to optimize ship maintenance through IT applications, systems, and training, ensuring sustained mission success in naval ship maintenance operations. Work is performed on site in Kittery, ME. ROLE: Actively monitor, detect, and respond to cybersecurity threats and incidents within an organization. Utilize advanced security tools and technologies, such as Host-Based Security System (HBSS) and Security Information Event Management (SIEM) platforms, to continuously monitor network traffic, identify vulnerabilities, and detect suspicious activities. Conduct thorough investigations of security incidents, implement incident response protocols, and coordinate remediation efforts to mitigate potential risks. Collaborate with IT teams to...

Description SAIC is seeking a Security Cooperation Exercise Planner located at Camp Smith in Hawaii to support the PACOM J5 Directorate, Security Cooperation Division (J55), National Guard Integration Office (J555), with operational coordination to PACOM J7 . This position serves as a key integrator between the National Guard Bureau, state National Guard partners, PACOM staff, and joint/service exercise stakeholders to synchronize security cooperation objectives with exercise programs and maintain critical programmatic and database support for the National Guard Integration Office. JOB DESCRIPTION: Plan and integrate National Guard capabilities into the PACOM Joint Training Plan (JTP) 6-Year Horizon and Annex M (Training and Exercises) of the PACOM Campaign Order, representing J555 throughout the Joint Event Life Cycle and service exercise planning milestones. Serve as the primary liaison for J555 with joint and service-level exercise planners; analyze and...

Overview LMI seeks a Technical Operations Specialist to support a Department of War mission partner J3 in integrating autonomous systems into combatant command operations, targeting cycles, kill chains, intelligence, surveillance, and reconnaissance workflows, exercises, and demonstrations. The specialist connects operators, planners, engineers, testers, acquisition personnel, and industry partners to move emerging capabilities from technical concept to operational use. The ideal candidate is a practical integrator who understands mission operations and sustains momentum across complex, multi-organization activities. LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed. Leveraging our mission-ready technology and solutions, proven expertise...

Overview LMI is seeking an experienced DevSecOps & Cloud Automation Engineer to support the U.S. Army Training Information System (ATIS) program. ATIS is modernizing Army training systems into a secure, cloud-native enterprise capability. Working within a SAFe Agile Release Train (ART), this hands-on individual contributor role will build, secure, maintain, and optimize the automation, infrastructure, and CI/CD capabilities that support ATIS applications in AWS GovCloud.   The ideal candidate is a self-directed technical problem solver who can independently solve complex engineering challenges, improve existing solutions, reduce unnecessary complexity, communicate clearly, and collaborate across application, cloud, architecture, and cybersecurity teams. This role requires someone who is comfortable both providing technical direction and personally implementing solutions.   LMI is a new breed of digital solutions provider dedicated to...

Overview The Security Manager (FSO/SSO) holds a critical leadership role in managing and guiding LMI’s security posture across Department of Defense (DoD) and Intelligence Community (IC) programs. This position requires an active Top Secret/SCI security clearance with polygraph (preferred), and is responsible for supervising security analysts, directing security operations to ensure strict adherence to federal, contractual, and company policy requirements. Reporting to LMI’s Vice President of Security, the Security Manager will safeguard personnel, facilities, and other national security assets. This position interfaces regularly with government customers, contracting officers, internal business leaders, and security counterparts at partners and subcontractors. Responsibilities Security Program Administration Lead, develop, and maintain robust security programs in compliance with 32 CFR Part 117 (NISPOM), SEADs, Intelligence...

Overview LMI is seeking an Information Assurance Specialist to support Army Acquisition, Training, and Readiness (AT&R) in the sustainment and enhancement of the Army Contract Writing System (ACWS). ACWS is built on the Appian Platform. This role will support cybersecurity, compliance, risk management, and system authorization activities to help ensure ACWS meets applicable Army and DoD security requirements.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.    Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space,...

Description SAIC is seeking two experienced Information Systems Security Engineers (ISSEs) to support the MAJESTIC Joint Program Office (JPO) -one serving as a traditional enterprise ISSE and one serving as a specialized Edge ISSE focused on tactical-edge environments. Together, these engineers will lead advanced security engineering and architecture efforts for MAJESTIC's mission-critical systems, including those operating in distributed, low-bandwidth, intermittently connected, and operationally constrained mission scenarios. The Enterprise ISSE will design, develop, implement, and validate security architectures for MAJESTIC's core systems and enterprise environments, ensuring security controls are integrated throughout the full engineering lifecycle-from requirements and high-level architecture through deployment, sustainment, modernization, and ATO maintenance. The Edge ISSE , leveraging the job functions described in ISSE_Edge, will engineer cybersecurity...

Description SAIC is seeking an experienced Information Systems Security Engineer (ISSE) to support the MAJESTIC Joint Program Office (JPO) by performing advanced security engineering and architectural design for mission-critical IT systems. In this role, the ISSE will lead the design, development, implementation, and validation of security architectures , ensuring all security controls are integrated into system engineering processes across the full lifecycle-from requirements development to deployment and sustainment. The ISSE will collaborate closely with program leadership, system owners, developers, ISSMs/ISSOs, enterprise architects, and cybersecurity operations teams to ensure systems meet federal security requirements, including NIST 800-53, RMF, and customer-specific A&A frameworks such as ICD 503 and DAAPM. This role requires on-site support in Springfield, VA . Key Responsibilities: Design and engineer secure system architectures, integrating...

Description SAIC is seeking a motivated Cybersecurity Tools Administrator to join our MAJESTIC Joint Program Office (JPO) Team in support of an on-premises enterprise IT environment. This role focuses on implementing, administering, and optimizing cybersecurity toolsets centered on Trellix Endpoint Security (ENS) and integrated capabilities such as Endpoint Detection & Response (EDR), Network Detection & Response (NDR), and malware protection. The administrator will manage policy, deployment, health/compliance, telemetry, and integrations with SIEM/SOAR to strengthen enterprise security posture. All work is performed on-site in Springfield, VA. Key Responsibilities: Administer Trellix ePolicy Orchestrator (ePO): configure policies, tasks, and client assignments; perform agent deployment/updates; monitor health and compliance across Windows/Linux endpoints. Implement and maintain cybersecurity toolsets including ESS/ENS, EDR, NDR, and malware...

Description SAIC is seeking a skilled Mid-Level Cloud Security Engineer to support the operation, maintenance, troubleshooting, and continuous improvement of cloud security and network security capabilities supporting complex enterprise and federal government environments. The ideal candidate will have a strong foundation in networking, cloud security, proxy technologies, SASE/SSE, and cybersecurity operations , with hands-on experience troubleshooting and maintaining proxy policies and resolving operational security and connectivity issues. This position requires an engineer who is comfortable working in a customer-facing operational environment, managing O&M tickets, investigating technical issues, communicating effectively with customers, collecting system diagnostic logs/packet captures and escalating complex issues to senior engineering staff when appropriate. Key Responsibilities Provide day-to-day support for cloud security, network security, proxy, and...

Description SAIC is seeking a Cyber Security Engineer to support critical DoD and Intelligence Community missions. You will lead assessment, authorization, vulnerability management, and secure operations for classified systems. Responsibilities Execute RMF processes for Assessment & Authorization (A&A). Develop/maintain SSPs, POA&Ms, SARs, and ATO artifacts in XACTA/eMASS. Conduct vulnerability scanning and track remediation using ACAS/IAVM. Implement and validate NIST 800-53 and CNSSI 1253 controls. Support hardening, patching, STIG compliance for Windows, Linux, and networks. Monitor systems and assist with incident response. Evaluate security impacts of system changes. Collaborate with engineering, administration, and DevSecOps teams. Qualifications Required Qualifications Active TS/SCI clearance. Candidates must have this clearance to be considered. Willing and able to pass a polygraph. Bachelor's degree + 5 years of...

Description SAIC is seeking a Cyber Security Engineer to support critical DoD and Intelligence Community missions. You will lead assessment, authorization, vulnerability management, and secure operations for classified systems. Responsibilities Execute RMF processes for Assessment & Authorization (A&A). Develop/maintain SSPs, POA&Ms, SARs, and ATO artifacts in XACTA/eMASS. Conduct vulnerability scanning and track remediation using ACAS/IAVM. Implement and validate NIST 800-53 and CNSSI 1253 controls. Support hardening, patching, STIG compliance for Windows, Linux, and networks. Monitor systems and assist with incident response. Evaluate security impacts of system changes. Collaborate with engineering, administration, and DevSecOps teams. Qualifications Required Qualifications Bachelor's degree + 5 years of experience (or equivalent). Active or Current TS/SCI. DoD 8570 IAT II+ (Security+, CySA+, CISSP, etc.). Hands-on RMF,...

Description: This position requires TS/SCI clearance with ability to pass a Polygraph. The Cybersecurity Specialist will partner with the security team, program, and government customers to perform as an Information Systems Security Officer (ISSO) at the LM Waterton facility in Littleton, CO. Classified Cybersecurity Analysts help secure lifesaving products and critical state-of-the-art engineering and manufacturing systems by applying cutting edge cybersecurity principles. Rising to the challenge of building a more secure world for the warfighter, space exploration, climate sustainability, and commercial use. The work that Cybersecurity Analysts do can be summarized in this way: - You will have a direct impact to national security, ultimately contributing to protecting your loved ones – this is dynamic, gratifying and impactful work! - You will have the opportunity to engage in all aspects of the cyber discipline - You can enjoy a work-life balance that allows for flex...