Information Systems Security Officer LeidosInformation Systems Security OfficerAnnapolis Junction, MarylandMarch 12, 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.
Senior Information Systems Security Officer ISSO LeidosSenior Information Systems Security Officer ISSOAnnapolis Junction, MarylandAugust 5, 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.
Cybersecurity Engineer - JIATF CACICybersecurity Engineer - JIATFAlexandria, Virginia$86,600–$181,800 / yearJob Title: Cybersecurity Engineer - JIATFJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Continental US* * * The Opportunity: The person in this role will Perform as a Cybersecurity Engineer serving as subject matter expert for all cybersecurity / information technology aspects for a Joint Interagency Task Force that reports to the Deputy Secretary of Defense, to better align authorities and resources to rapidly deliver Joint C-sUAS capabilities to America's warfighters, defeat adversary threats, and promote sovereignty over national airspace. Pay 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.
Endpoint Engineer - Trellix CACIEndpoint Engineer - TrellixSpringfield, Virginia$86,600–$181,800 / yearJob Title: Endpoint Engineer - TrellixJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * * The Opportunity: CACI has an exciting opportunity for a Senior Endpoint Security Engineer to join our Transport & Cybersecurity Services (TCS) team in Springfield, VA.TCS is a long-term, CACI Prime contract with the National Geospatial-Intelligence Agency (NGA) in support of the customer’s GEOINT mission. Working knowledge of configuring, deploying, and maintaining Enterprise Cyber Security Engineering requirements utilizing the following Trellix Products: Endpoint Security (ENS), Data Loss Prevention (DLP), Policy Auditor, File Integrity Monitor (FIM) and Application Whitelisting.
Crypto Systems Engineer KBRCrypto Systems EngineerChantilly, VAThe Crypto System Engineer provides Systems Engineering and Technical Assistance (SETA) support to a dynamic System Program Office (SPO) acquiring, launching and operating the next generation of proliferated satellites by evaluating and certifying the implementation, integration, and embedment of cryptography and cryptographic-related cyber security solutions into customer-owned or controlled Space systems, through robust cryptographic security engineering and information systems security engineering disciplines. Position Summary: KBR National Security Solutions is seeking an intermediate Crypto Systems Engineer to serve as a technical advisor to the Government on cryptographic architecture, integration, and risk across space and ground systems.
Endpoint Engineer III CACIEndpoint Engineer IIISpringfield, VirginiaWorking knowledge of configuring, deploying, and maintaining Enterprise Cyber Security Engineering requirements utilizing the following Trellix Products: Endpoint Security (ENS), Data Loss Prevention (DLP), Policy Auditor, File Integrity Monitor (FIM) and Application Whitelisting. Pay 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.
Solutions Engineer Chenega CorporationSolutions EngineerArlington, VASecuriGence is seeking a highly skilled Solutions Engineer with strong systems engineering expertise, deep technical breadth, and proven technical credibility to support DARPA product teams. Apply deep technical breadth across systems engineering, networking, cybersecurity, cloud, data flows, automation, and distributed systems to solve complex technical challenges.
Senior Systems Engineer GliaCell TechnologiesSenior Systems EngineerAnnapolis Junction, MD$170,000–$230,000 / yearYou will work with numerous concurrent IC-provided data sets to identify, map and model data transformation routines supporting ingestion into the customer's corporate repositories and be able to document new and existing data flows supporting data routing implementations. You should have a working knowledge of NiFi, be comfortable working in a Linux environment, interact with data ontologies (schemas), structured data types (XML, CSV, JSON), have database experience (MySQL/NoSQL) and analytic query experience with a platform.
Senior Systems Engineer - Partial Telework GliaCell TechnologiesSenior Systems Engineer - Partial TeleworkAnnapolis Junction, MD$170,000–$260,000 / yearWe also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. Bachelor’s degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required.
Test and Evaluation (T&E) Cyber JRCTest and Evaluation (T&E) CyberWashingtonThe JRC team is looking for an enthusiastic, highly motivated Test and Evaluation Cyber to support the Navy SSP customer in a fast-paced new Acquisition development program for the Nuclear Sea-Launched Cruise Missile (SLCM-N) program. Our expertise in engineering innovation and semiconductor technologies allows us to deliver mission-critical microelectronics solutions, aerospace systems engineering, and cutting-edge research and development.
CNO Reverse Engineer ManTechCNO Reverse EngineerHanover, MDHigh School Diploma and 12+ years of related technical experience, or Bachelor’s Degree in related technical field and 8 + years of technical work experience or Master’s degree in related technical field and 6+ years of technical work experience. In this role, you will contribute to the development of mission-critical cyber capabilities, drive excellence in CNO development and lead efforts in advanced Computer Network Operations (CNO).
NewKubernetes Platform Administrator MKS2 TechnologiesKubernetes Platform AdministratorWashington, DCMKS2 Technologies, LLC, an award-winning high growth small business, creates innovative and customer-centric technology solutions in the areas of Cyber Security, Instructional Design and Training, Software Engineering and IT Support Services to improve the security and well-being of our clients. The ideal candidate is a hands-on technical leader with deep expertise in Kubernetes networking, cloud infrastructure, Infrastructure as Code, and GitOps who thrives in highly automated, security-focused environments.
Sr. Solutions Director - Intelligence & Homeland Security General Dynamics Information TechnologySr. Solutions Director - Intelligence & Homeland SecurityHerndon, VirginiaAs a trusted systems integrator for more than 50 years, General Dynamics Information Technology provides information technology (IT), systems engineering, professional services and simulation and training to customers in the defense, federal civilian government, health, homeland security, intelligence, state and local government and commercial sectors. Candidate will analyze RFI and RFP requirements and develop responsive solutions including staffing and other costs, review solutions developed by others, present solutions to internal and external clients, develop and explain use-cases and will work closely with capture and proposal teams.
Electrical Equipment Technician T1/T2 (Nova Region) Dominion EnergyElectrical Equipment Technician T1/T2 (Nova Region)Herndon, VA$64,500–$83,800 / yearOther comparable disciplines may be substituted for the disciplines listed above; As an alternative to the above education requirements, the company is actively seeking United States military veterans and service members who meet the qualifications outline below: Total of 5 years of military experience that includes at least 1 year of military technical training/education, including on the job training, in electrical theory, AC/DC circuits, basic electrical principals and calculations, Ohms Law, Fault isolations, and multimeter applications. The knowledge, skills, abilities, and experiences that are required for entry into this job include the following: Electrical Equipment Technician T1: 0-1 years of relevant experience with required education set forth in the "Education Requirements" section of this posting.
Program Security Manager MetreaProgram Security ManagerAnnapolis Junction, WashingtonThe Program Security Manager works across program leadership, operations personnel, planners, technical teams, vendors, and government stakeholders to identify risk, strengthen controls, support decision-making, and ensure practical security oversight is built into planning and execution. This role integrates counter-intelligence awareness, operational security, collection management support, and planning discipline to help protect personnel, capabilities, partners, infrastructure, and activities across complex mission environments.
Lead DevOps Engineer STRLead DevOps EngineerArlington, VA$175,000–$240,000 / yearStaff within the MA group have a deep understanding of missions and technology needs for national security with skills targeting transition of technology to operational use, including product management, UX Product implementation, software integration & mission engineering, platform engineering, DevOps, and program management. MA staff combine with other engineering staff from the various STR research and development groups to form dedicated product teams focused on accelerating the operational transition of cutting-edge software technologies.
Senior Principal Software Engineer (Go) ClaritySenior Principal Software Engineer (Go)Columbia, MDClarity Innovations is a trusted national security partner, dedicated to safeguarding our nation's interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in an evolving world. Peer Mentorship: Partner with and mentor "Sysadmin-turned-DevOps" engineers to help them build proficiency in Go, write robust unit/integration tests for operators, and adopt software-first approaches to infrastructure.
Senior Cloud Information System Security Officer ManTechSenior Cloud Information System Security OfficerWashington, DCHold at least one of the following certifications: AWS Certified Cloud Practitioner, AWS Certified Security – Specialty, (ISC)2 Certified Cloud Security Professional (CCSP), AWS Certified Solutions Architect – Associate, AZ-500: Microsoft Certified: Azure Security Engineer Associate, Google - Professional Cloud Security Engineer. + Hold at least one of the following certifications: Certified Information Systems Security Professional (CISSP), Global Information Security Professional (GISP), or the CompTIA Advanced Security Practitioner (CASP), Certified Information System Manager (CISM), or Information Assurance Management (IAM) Level II proficiency.
Cyber Network Defense Analyst II Nightwing Intelligence SolutionsCyber Network Defense Analyst IISterling, Virginia$77,000–$163,000 / yearNightwing is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization.
Cyber Network Defense Analyst III Nightwing Intelligence SolutionsCyber Network Defense Analyst IIISterling, Virginia$99,000–$206,000 / yearsnort)- Experience performing packet-level analysis- Experience conducting trend analysisDesired Skills:- Python programming experience- Strong math and science background- Experience with Carnegie Mellon SiLK tool suiteRequired Education:BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma & 7+ years of network investigations experience. Nightwing is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution.