Graphics Artist, Journeyman LeidosGraphics Artist, JourneymanOdenton, MarylandThe Intelligence Sector seeks highly qualified and trained Journeyman-level Graphics Artists to support United States Cyber Command (USCYBERCOM) operations through production of high-quality and high-visibility graphics underpinning critical visual communications to include briefings, documents, and web materials. Provide timely, accurate, relevant support in manner that best supports USCYBERCOM as graphics artist supporting multiple customers across the USCYERCOM J3, Cyber National Mission Force (CNMF), and Joint Task Force-ARES (JTF-ARES).
NewSenior Linux Systems Administrator LeidosSenior Linux Systems AdministratorAnnapolis Junction, MarylandThe ideal candidate brings deep hands-on Linux administration experience and is comfortable supporting mission-critical Development, Test, and Production environments using command-line tools, system logs, automation, and established change-management processes. The Linux Systems Administrator will serve as a senior technical resource responsible for system configuration, automation, security hardening, vulnerability remediation, monitoring, troubleshooting, and continuous improvement of Linux-based infrastructure and operational practices.
Cyberspace Operations Planner, Journeyman LeidosCyberspace Operations Planner, JourneymanOdenton, MarylandEight to 12 years recent (since 2014) work experience as CO Planner; can waive two years of experience requirement for every year spent on a Combat Mission Team (CMT) in any work role; can waive two years work experience requirement for every year spent in an Offensive Cyberspace Operations planner role within a Joint Force Headquarters – Cyber (JFHQ-C) command; OR four years recent (since 2013) work experience in offensive cyberspace capabilities development; can waive two years of experience requirement for every year spent on a CMT in any work role. The Leidos Intelligence Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world.
Sr. ISSE TS/SCI Polygraph LeidosSr. ISSE TS/SCI PolygraphAnnapolis Junction, MarylandOur team of security engineers support enhancements to system security architecture and cyber security capabilities; manage multiple system security plans for development, test and production systems following the Risk Management Framework (RMF); manage cross domain capabilities; and support Security Verification Testing (SVT) of relevant Type 1 devices. The strongest candidates will have experience working in these areas: Validating and verifying system security requirements and establishing system security designs for large-scale systems, major system elements, and interfacing systems that are part of a large complex network environment with geographically distributed components.
Cyberspace Intelligence Threat Analyst, Senior LeidosCyberspace Intelligence Threat Analyst, SeniorOdenton, MarylandThe Intelligence Sector seeks a highly qualified and trained Senior -level Cyberspace Intelligence Threat Analysts to support United States Cyber Command (USCYBERCOM) operations, with focus on identifying, analyzing, and recommending mitigation strategies for Cyber threats targeting Offensive Cyberspace Operations (OCO) systems. Provide timely, accurate, relevant support in manner that best supports USCYBERCOM in identifying and assessing emerging threats and vulnerabilities in the Cyberspace domain, with focus on risks to OCO systems.
Sr. ISSE with TS/SCI Polygraph LeidosSr. ISSE with TS/SCI PolygraphAnnapolis Junction, Maryland$131,300–$237,350 / yearOur team of security engineers support enhancements to system security architecture and cyber security capabilities; manage multiple system security plans for development, test and production systems following the Risk Management Framework (RMF); manage cross domain capabilities; and support Security Verification Testing (SVT) of relevant Type 1 devices. The strongest candidates will have experience working in these areas: Validating and verifying system security requirements and establishing system security designs for large-scale systems, major system elements, and interfacing systems that are part of a large complex network environment with geographically distributed components.
Network Engineering, Advisor PeratonNetwork Engineering, AdvisorLandover, Maryland$135,000–$216,000 / yearFull timeThis program delivers full life-cycle engineering support for all system elements including Development (hardware, software and networking), Systems and Security Engineering (Integration, Testing and Deployment), Sustainment (Logistics, and Field Support), Network Operations Center (NOC)/Help Desk, and training support for the user community. Conduct cost/benefit analysis and provide specific detailed information to the customer for hardware and software selection, implementation techniques and tools for the most efficient solution to meet program mission needs, including present and future capacity requirements.
Lead Data Engineer - Payment Networks Capital OneLead Data Engineer - Payment NetworksMcLean, VirginiaShare your passion for staying on top of tech trends, experimenting with and learning new technologies, participating in internal & external technology communities, and mentoring other members of the engineering community. Candidates hired to work in other locations will be subject to the pay range associated with that location, and the actual annualized salary amount offered to any candidate at the time of hire will be reflected solely in the candidate’s offer letter.
Systems Integration Engineer (NDA-2) LeidosSystems Integration Engineer (NDA-2)MarylandBachelor's degree plus 5-years of relevant experience, or master’s degree plus 3-years of relevant experience or an associate’s degree plus 7-years of relevant experience or high school diploma/GED plus 9-years of relevant experience may be considered. Relevant experience must be in computer or information systems design/development, programming, information/cyber/network security, vulnerability analysis, penetration testing, computer forensics, information assurance and/or systems engineering.
NewMid/Sr. System Administrator TS/SCI Poly LeidosMid/Sr. System Administrator TS/SCI PolyAnnapolis Junction, MarylandAugust 25, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
Referral Network Engineer - DHA Ne&S ASRC Federal Holding CompanyReferral Network Engineer - DHA Ne&Sarlington, VAUses diagnostic utilities to identify and isolate problems encountered on different mediums and network protocols, gather latency statistics and find specific network bottlenecks, evaluate problems and implement fix actions through device reconfiguration or replacement depending on the circumstances. Possess experience in routed, switched and shared LAN environments that operate such items as current supported versions of Microsoft OS, Windows Active Directory, UNIX and OpenVMS and employ routers, switches, and terminal servers as well as various local and long-haul WAN connectivity.
Cybersecurity Engineer SME LeidosCybersecurity Engineer SMEBethesda, Maryland$154,050–$278,475 / yearExperience applying system security engineering principles in areas such as system security design, lifecycle engineering, authentication and authorization mechanisms, cryptography, intrusion detection, contingency planning, incident handling, auditing, configuration management, and change control. Experience with cybersecurity tools such as Rapid7, Tenable/Nessus, HBSS/Trellix, SonarQube, or endpoint detection and response (EDR) platforms, as well as using STIG viewers and compliance tools to assess systems against established security configuration baselines.
NS-Cloud Network Architect, Senior (Tactical / Hybrid Cloud / Zero Trust) NETSEA TechnologiesNS-Cloud Network Architect, Senior (Tactical / Hybrid Cloud / Zero Trust)APG, MDThe Cloud Network Architect (Senior) provides advanced technical leadership for the design, integration, and sustainment of hybrid cloud and tactical network architectures supporting DoW tactical communications environments. This role focuses on the convergence of enterprise cloud, edge computing, and deployed tactical networks, ensuring secure, resilient, and interoperable communications across RF, SATCOM, and IP-based transport systems.
NS-Cloud Network Architect, Senior (Tactical / Hybrid Cloud / Zero Trust) (Remote) NETSEA TechnologiesNS-Cloud Network Architect, Senior (Tactical / Hybrid Cloud / Zero Trust) (Remote)APG, MDRemoteBachelor's degree in Engineering, Computer Science, Information Technology, or related field (Master's preferred) · 10–15+ years of relevant experience in network engineering, architecture, or systems integration · Deep understanding of DoD network architectures and hybrid cloud environments · Experience integrating enterprise cloud solutions with tactical or edge network environments · Strong knowledge of routing and switching protocols (BGP, OSPF, EIGRP, IS-IS) and Layer 2/Layer 3 networking · Experience with cloud networking technologies (AWS and/or Azure) and hybrid connectivity solutions · Experience with SDN and network virtualization technologies · Familiarity with SATCOM architectures (TDMA/FDMA), RF systems, and tactical transport integration · Strong understanding of cybersecurity principles, Zero Trust Architecture, and RMF processes · Experience with DoDAF, architecture development, and system documentation · Ability to obtain/maintain Secret clearance (or higher). · Experience supporting Army – PEO C3T / C5ISR / DEVCOM programs · Certifications such as CCNP/CCIE, AWS Solutions Architect, Azure Network Engineer, or VMware NSX · Security certifications (Security+, CISSP, CASP+) · Experience with automation and scripting (Terraform, Ansible, Python) · Familiarity with ATO/Authority to Operate processes · Experience supporting SATCOM systems, tactical radios, and waveform integration · Experience with edge/disconnected (DIL) network operations and modernization initiatives.
Network Computer System Administrator IntegralNetwork Computer System AdministratorMcLean, Virginia$137,710–$164,037 / yearFull timeOverview: The Network Computer System Admin supports the United States (U.S.) Army C5ISR Center to develop advances within cyber defense research; advanced detection methods; sensor structure, data optimization, and sensor architectures; intrusion detection innovations, evaluation methods, attack behaviors, insider threat and adversarial threat predictions. Provide a SME in the security architectural design of mobile computing/cloud environments (e.g., IaaS, PaaS, SaaS); to include secure data processing in a public, private, and hybrid cloud environment, and securing sensitive data on mobile phones and tablets.
Exploitation Analyst (EA) Level 1-4 SentarExploitation Analyst (EA) Level 1-4Annapolis Junction, MDEducation : Degree in Network Engineering, Systems Engineering, Information Technology, or related field (e.g., General Engineering, Computer Engineering, Electrical Engineering, Computer Science, Computer Forensics, Cyber Security, Software Engineering, Information Assurance, or Computer Security). In addition, it may also include engineering hardware and/or software, programming, computer/network security, vulnerability analysis, penetration testing, computer forensics, information assurance, systems engineering, and/or network and systems administration.
Security System & Burglar Alarm Technician Strategic Home MediaSecurity System & Burglar Alarm TechnicianAnnapolis, Maryland$23–$30 / hourThe right person will have in-depth knowledge and practical ability to run wire in new/existing construction - be able to troubleshoot existing burglar alarm system, install and program new systems, generate sales quotes and interact with customers effectively. If you’re seeking to make an impact from the start of your career, spark impressive change, learn new or innovative skills, and most importantly, gain success in a field that rewards ambitious hard workers, a Smart Home Integration opportunity is for you!
Home Automation Technician Strategic Home MediaHome Automation TechnicianAnnapolis, Maryland$48,000–$71,000 / yearIf you’re seeking to make an impact from the start of your career, spark impressive change, learn new or innovative skills, and most importantly, gain success in a field that rewards ambitious hard workers, a Smart Home Integration opportunity is for you! Smart Home Integrators offer careers in sales, operations, marketing, project management, finance, merchandising, purchasing, technical trades, and customer service.
Network Technician (Tier II) PeratonNetwork Technician (Tier II)Washington, D.C.$112,000–$179,000 / yearFull timeWe support a secure, worldwide, high-performance communications network comprised of real-time interactive applications allowing complex national and worldwide communications. Bachelor’s degree in an IT related field and 5+ years of related experience or a commensurate combination of education, training and experience, is required; four years of relevant experience in the above-cited duties may be substituted in lieu of a degree.
Media Service Architect, Network Planning SESMedia Service Architect, Network PlanningMclean, VA$83,520–$120,600 / yearThe Service Architects will work cross-functionally with engineering, operations, product management, and commercial teams to ensure service offerings are technically sound, operationally viable, and aligned with existing and planned infrastructure. Design end-to-end service architectures spanning space, ground, and terrestrial network domains specifically focused on broadcast video for both dedicated and occasional-use solutions.