NewInformation Systems Security Engineer (ISSE) MarkonInformation Systems Security Engineer (ISSE)Herndon, Virginia$180,000–$205,000 / yearFull timeCandidate shall possess knowledge and experience in generating appropriate security documentation to receive proper accreditation from Directorate security personnel and correcting security shortfalls as they are identified through Agency sponsored reviews. Responsible for managing the processing of all organizational efforts through the risk management cycle, this includes closely coordinating and track risks, accreditation status, and reporting status across project teams.
Senior Information Systems Security Engineer (Sr. ISSE) Helm Point SolutionsSenior Information Systems Security Engineer (Sr. ISSE)MarylandHelm Point Solutions is a woman-owned cybersecurity and physical security firm committed to protecting the infrastructure that underpins national security. Perform security-focused system/network designs that span multiple enclaves and data classifications.
Information Systems Security Engineer The Josef GroupInformation Systems Security EngineerMcLean, VirginiaThis role advises on, executes, and oversees cybersecurity and Information Assurance (IA) programs, including Authority to Operate (ATO) processes, Assessment and Authorization (A&A) activities, User Activity Monitoring (UAM), and the development and maintenance of System Security Plans (SSPs). The Information Systems Security Engineer (ISSE) supports the client and program team in defining, implementing, and maintaining security requirements across the system lifecycle.
Information System Security Manager PeratonInformation System Security ManagerSilver Spring, Maryland$112,000–$179,000 / yearFull time5+ years experience with Authority to Operate (ATO) process, continuous monitoring, POA&Ms, Security Authorizations (SA), NIST 800-37, NIST 800-53 Rev4/ Rev5, working with Information System Owners (ISO) and Program Managers (PM). Continuously maintain a thorough understanding of all relevant corporate policies, security control plans as well as system configurations, architecture, installed software, accounts (both Operating System and Application), data flows, ports, protocols, and other relevant data for each Information System.
Senior Systems Engineer - Endpoint Security CACI International IncSenior Systems Engineer - Endpoint SecurityFort Meade, MD$131,800–$290,000 / yearMicrosoft Defender for Endpoint Expertise: Hands‑on engineering experience with MDE architecture, deployment via MECM/SCCM or Intune, policy ring management, and advanced hunting using Kusto Query Language (KQL). Working within a highly classified, multi-domain environment, you will shape the strategic architecture, integration, deployment, and optimization of world‑class endpoint security platforms including Microsoft Defender for Endpoint (MDE) and Trellix HX.
Senior Information System Security Officer (ISSO) PeratonSenior Information System Security Officer (ISSO)Laurel, Maryland$135,000–$216,000 / yearFull timeResponsibilities: Peraton Labs is seeking a poly cleared Senior Information System Security Officer for a mission-critical, highly complex HPC environment enabling research across multiple security domains. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.
Information Systems Security Engineer ManTech International CorpInformation Systems Security Engineerfort meade, MD$141,500–$236,000 / yearThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Responsibilities include, but are not limited to: Participate as a primary security engineering representative on integrated teams for the design, development, implementation, evaluation, and integration of secure networking, computing, and enclave environments.
Information System Security Officer (ISSO) PeratonInformation System Security Officer (ISSO)Laurel, Maryland$104,000–$166,000 / yearFull timeYou will own day-to-day security operations aligned to RMF, drive continuous monitoring, maintain ATO posture, and partner closely with subcontractor and customer personnel to ensure implementation and compliance. Responsibilities: Peraton Labs is seeking a poly cleared Information System Security Officer for a mission-critical, highly complex HPC environment enabling research across multiple security domains.
Information System Security Officer PeratonInformation System Security OfficerWashington, D.C.$104,000–$166,000 / yearFull time3+ years experience with Authority to Operate (ATO) process, continuous monitoring, POA&Ms, Security Authorizations (SA), NIST 800-37, NIST 800-53 Rev4/ Rev5, working with Information System Owners (ISO) and Program Managers (PM). Responsibilities: Peraton is seeking an Information System Security Officer (ISSO) to support our customer onsite in Washington D.C. Responsibilities include: Assist the Information System Security Manager (ISSM) with information assurance efforts, and systems across numerous environments.
Facility Security Officer, Journeyman CACI International Inc.Facility Security Officer, JourneymanSpringfield, VA$72,700–$149,200 / yearThe Facility Security Officer works closely with Defense Counterintelligence and Security Agency (DCSA) representatives, Government security personnel, program leadership, human resources, information technology staff, subcontractors, and mission partners to administer personnel security, physical security, document control, visitor management, classified material accountability, and security education programs. The Facility Security Officer (FSO), Journeyman, serves as CACI's security professional responsible for administering and implementing the National Industrial Security Program (NISP) and ensuring compliance with Government security requirements that support personnel, facilities, information, and classified operations.
Senior Information System Security Officer PeratonSenior Information System Security OfficerAnnapolis Junction, Maryland$135,000–$216,000 / yearFull timeAs the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Maintain security authorization artifacts (e.g., SSP, control narratives, diagrams, inheritance/leverage controls, CM plan, incident handling plan, contingency artifacts, user/admin procedures).
Systems Engineer - Lead Ampcus IncorporatedSystems Engineer - LeadMclean, VA8 years of experience in security tools (AV/EDR, Application Control, Data Loss Prevention, Firewall, Log Management, Privilege Access Management, System Hardening, Behavior Analysis, Hunt and Response, Vulnerability Management). The ideal candidate will have extensive experience in endpoint security, cloud and container technologies, and securing various operating systems and developer environments.
Lead Systems Technician Vector SecurityLead Systems TechnicianColumbia, MDOur Vector Security Networks (VSN) division provides national security solutions for multi-site organizations, while Managed Network Services (MNS) delivers secure connectivity, and network management services that help businesses operate reliably and securely. Responsibilities: Install/Service Integrated Systems: Complete installation and/or servicing of various types of integrated systems, including integrated burg, card access, video, and fire alarm systems.
Cloud and Infrastructure Systems Administrator Ampcus IncorporatedCloud and Infrastructure Systems AdministratorWashington, DC$60–$70 / hourAI for Operations (AIOps): Utilize AI-powered monitoring and log analysis platforms such as Splunk and Azure Monitor to proactively detect system anomalies, predict potential failures, and automate incident response. System Intelligence and Machine Learning: Collaborate with data science teams to integrate intelligent agents and machine learning models for infrastructure optimization, capacity planning, and automated resource allocation.
Senior Systems Administrator (Cleared) - TEG IT Concepts IncSenior Systems Administrator (Cleared) - TEGSpringfield, VA$190,000–$195,000 / yearPerform and document all required actions necessary to obtain and maintain a full Authority To Operate (ATO) system accreditation, including implementing Security Technical Implementation Guides (STIG), collaborating with accreditation authorities, creating Plan of Action and Milestones (POA&M), populating XACTA, etc. Design, deploy, configure, secure, monitor, and manage a variety of cloud-based infrastructure components hosted within multiple cloud providers, including Amazon Web Service's VPC, EC2, RDS, Lambda, S3, Cloud Formation, CloudWatch, IAM, etc.
Systems & Network Administrator Apogee Engineering, LLCSystems & Network AdministratorArlington, VirginiaFull timeThe HAF/A10 contract delivers technical, analytical, operational, programmatic, and planning subject-matter expertise to HAF/A10 and its component divisions to advance national security strategic plans, policies, concepts, and initiatives. ADPE Custodian: Perform all equipment custodian duties for Automated Data Processing Equipment (ADPE), including managing accounts, transfers, turn-ins, and coordinating all requests for new equipment and repairs.
Senior Tech Lead - Cyber Systems Engineering PeratonSenior Tech Lead - Cyber Systems EngineeringCollege Park, Maryland$176,000–$282,000 / yearFull time5+ years of recent demonstrated experience working with large complex engineering systems and subsystems, with expertise applied across multiple engineering disciplines such as electrical, computer, software, telecommunications, information security, and networking. You’ll lead and mentor cross-functional Peraton Labs research, infrastructure, security, and software support teams, interface directly with the customer, and direct subcontractor personnel to ensure systems are mission-ready, resilient, and compliant.
Systems Administrator II RecruitrelianceSystems Administrator IIMarylandRequired Qualifications: Experience: Ten (10) years of experience as a Systems Administrator in programs of similar scope, type, and complexity. You will be responsible for the configuration, maintenance, and troubleshooting of enterprise IT infrastructure, ensuring optimal system performance and security.
Systems Engineering AI/ML Project TS/SCI w Poly PeratonSystems Engineering AI/ML Project TS/SCI w PolyLaurel, Maryland$146,000–$234,000 / yearFull timeThe Level 1 System Engineer (SE) shall possess the following capabilities: Manage system requirements and derived requirements to ensure the delivery of production systems that are compatible with the defined system architecture(s) - Department of Defense Architecture Framework (DoDAF), Service-oriented Architecture (SOA), etc. Benefits: Peraton offers enhanced benefits to employees supporting this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap, and eligibility to participate in an attractive bonus plan.
Service Technician Loyal Source Government Services LLCService TechnicianWashington, DCIf you have a disability or medical condition and need a reasonable accommodation to participate in this step of the hiring process, you may request an alternative method or accommodation at any time by contacting Human Resources at HRmgt@loyalsource.com. We're looking for a technician with strong hands‑on experience in electronic security systems, particularly in servicing and troubleshooting access control and related hardware.