NewSecurity Control Assessor PeratonSecurity Control AssessorLinthicum, Maryland$135,000–$216,000 / yearFull timeKnowledge of system and application security threats and vulnerabilities (e.g., buffer overflow, mobile code, cross-site scripting, Procedural Language/Structured Query Language [PL/SQL] and injections, race conditions, covert channel, replay, returnoriented attacks, malicious code). Responsibilities: Peraton is seeking a Security Control Assessor in our Linthicum, MD office in support of our Department of Defense (DoD) customer as part of a highly talented, highly motivated, and high-performing team.
Cyber Security Analyst, Senior (High Level Clearance Required) ICFCyber Security Analyst, Senior (High Level Clearance Required)Arlington, VirginiaPay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. ICF seeks an experienced Senior Cyber Security Analyst to support the research and development of new cyber analytic capabilities that will help the US protect and defend its networks and critical information systems.
NewSecurity Control Assessor Peraton IncSecurity Control Assessorlinthicum, MD$135,000–$216,000 / yearKnowledge of system and application security threats and vulnerabilities (e.g., buffer overflow, mobile code, cross-site scripting, Procedural Language/Structured Query Language [PL/SQL] and injections, race conditions, covert channel, replay, returnoriented attacks, malicious code). The successful candidate will contribute to protecting national security interests by leveraging technical expertise, analytical skills, and innovative problem-solving to address complex cyber challenges.
Principal Network Engineer LeidosPrincipal Network EngineerColumbia, MarylandMasters Degree in a related technical discipline and 15 or more years related experience or Bachelors Degree in a related technical discipline and seventeen (17) years of experience providing network engineering support. The engineer translates mission and business requirements into secure, high-performing network solutions and collaborates with operations personnel, program management, and engineering teams to ensure reliable network performance in DoD/IC environments.
Network Implementation Engineer LeidosNetwork Implementation EngineerChantilly, VirginiaThe Digital Modernization Sector at Leidos has an opening for a Network Implementation Engineer to support computer data communications systems, in providing design specifications, testing and inspections for computer networks; plan and implementing upgrades; as well as, analyzing and organizing corresponding hardware and software combined solutions through network modeling. Must be compliant with DoD 8140 Information Assurance Technical (IAT) Level 2. Experience specific to network engineering to include Tier III or higher network operations and/or network design and implementation.
Network Design Engineer LeidosNetwork Design EngineerChantilly, VirginiaMust be compliant with DoD 8140 Information Assurance Technical (IAT) Level 2. Experience specific to network engineering to include Tier III or higher network operations and/or network design and implementation. The Digital Modernization Sector at Leidos has an opening for a Network Engineer (Campus Area Network/Local Area Network (CAN/LAN)) to support global enterprise networks.
Sr. Network Implementation Engineer LeidosSr. Network Implementation EngineerChantilly, VirginiaNetwork Implementation Engineer to support computer data communications systems, in providing design specifications, testing and inspections for computer networks; plan and implementing upgrades; as well as, analyzing and organizing corresponding hardware and software combined solutions through network modeling. Must be compliant with DoD 8140 Information Assurance Technical (IAT) Level 2. Experience specific to network engineering to include Tier III or higher network operations and/or network design and implementation.
Senior Cyber Security Engineer (Splunk) CACISenior Cyber Security Engineer (Splunk)Chantilly, VirginiaPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. We’re looking for a Senior Cyber Security Engineer who is passionate about protecting critical systems, solving complex technical challenges, and building high‑performance data collection and monitoring capabilities that empower smarter decision-making.
Systems & Network Administrator Expert In Recruitment SolutionsSystems & Network AdministratorWashington, DCNetworking - troubleshooting routers, firewalls, VLANS, VPNs and protocols. o Microsoft Azure Administrator Associate or Azure Solutions Architect Expert.
Mid‑Level Information Systems Security Officer (ISSO) IDS InternationalMid‑Level Information Systems Security Officer (ISSO)Annapolis Junction, MDFull timeRelevant experience in information or cyber security, network security, vulnerability analysis, penetration testing, computer forensics, systems engineering, or network/system administration. Combining operational expertise with an intimate understanding of today’s greatest challenges, we bring our customers the solutions required for success in a complex and multidimensional world.
Digital Network Exploitation Analyst (DNEA) Set of XDigital Network Exploitation Analyst (DNEA)Annapolis Junction, MD$120,000–$210,000 / yearBachelor’s degree in a technical field (or equivalent experience)7+ years of related experience in offensive cyber, reverse engineering, or malware analysis Clearance: TS/SCI clearance with polygraph is required. With a shared desire to give back, grow the community, and do great work, the Set of X team is building an elite group of engineers with a strong sense of shared responsibility and ownership.
Security Engineer Booz Allen HamiltonSecurity EngineerAnnapolis Junction, MarylandOnsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Experience building or fine-tuning ML models outside Elastic, including Python, scikit-learn, and PyTorch, for security use cases such as threat detection or lateral movement scoring.
Firewall Engineer Expert In Recruitment SolutionsFirewall EngineerWashington, DCOr minimum of 8 years of demonstratable experience in Palo Alto security solutions or equivalent work experience demonstrating expertise in Palo Alto Firewall configurations and device management. Design, configure, implement, install, and manage Palo Alto devices including firewalls and support any needed integration with existing tools in both on-premises and remote locations.
Cyber Security Code Analyst, Mid Booz Allen HamiltonCyber Security Code Analyst, MidUsa, MarylandOnsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Technical Program Manager II, Engineering and Construction, Cloud Networking GoogleTechnical Program Manager II, Engineering and Construction, Cloud NetworkingReston, VACollaborate with the core team to execute technical due diligence and evaluation of greenfield land for suitability of cable landing station deployment, including offsite infrastructure requirements. Generate and manage cable landing station design and construction execution lessons learned at a project and portfolio level to support continuous improvement initiatives.
Cloud Security Engineer/Architect (Hybrid) A.C. CoyCloud Security Engineer/Architect (Hybrid)Falls Church, VirginiaAPI-First Automation: Deep expertise in building "glue code" that connects disparate COTS and custom applications via secure, automated APIs to streamline cross-functional business activities. Responsibilities: Security Architecture Vision: Lead the design of a global Zero Trust architecture, ensuring robust identity governance (IAM), network micro-segmentation, and data encryption across AWS, Azure, or GCP.
Principal Endpoint Security Systems Engineer LeidosPrincipal Endpoint Security Systems EngineerBethesda, MarylandWorking in a hybrid cloud/on-prem mission environment the engineer will support integration of Linux and Windows hosted mission systems with the endpoint security product and maintaining the scan policies to ensure proper protection of mission systems from external threats. January 21, 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.
NewSenior Cloud Security Specialist (AWS) System OneSenior Cloud Security Specialist (AWS)Washington, DCStrong understanding of security concepts and technologies related to Identity and Access Management (IAM), security engineering, network security design, security operations, security architecture, general engineering processes, cloud security, data loss protection, zero trust, DevSecOps and vulnerability management. • Proven ability to provide technical security consultation and advisory services with a proactive approach to identifying potential issues, raising questions, and engaging in open dialogue with team members and stakeholders to ensure security objectives are met.
Cyber Security Engineer NoblisCyber Security EngineerWashington, Washington, DC$86,800–$135,625 / yearFull timeCompensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. Personnel performing cybersecurity functions must meet DoD cybersecurity workforce certification requirements in accordance with DoD Manual 8140.3 for their designated role within 9 months of hire.
Principal Information Systems Security Engineer LeidosPrincipal Information Systems Security EngineerLinthicum, MarylandAs a Principal Information Security Systems Engineer (ISSE) you will join a small team of security engineers providing Information Assurance (IA) Architecture Analysis and Security Engineering Support for the implementation and fielding of the National Leadership Command Capability in support of Nuclear Command, Control, and Communications (NC3), Continuity of Government (COG), and Senior Leader communications. Bachelor of Science degree from an accredited university ideally in Computer Science, Information Assurance, Information Security System Engineering or related field with a minimum of 20 years of experience as an Information Systems Security Engineer (ISSE) or System Engineer on programs and/or contracts with the customer space.