Information Security Specialist Novul SolutionsInformation Security SpecialistArlington, VirginiaSkilled in security planning and assessments, threat and risk analysis, risk management, vulnerability assessment, security control evaluation, technical writing, executive communications, stakeholder coordination, and SLA management. This role focuses on conducting threat and risk assessments of enterprise systems, infrastructure, applications, and databases to evaluate security controls, identify vulnerabilities, and assess overall cybersecurity risk.
Sr Information Security Engineer FindSr Information Security EngineerHerndon, VirginiaThis role is ideal for candidates that have a skillset focused on engineering credibility, architectural judgment, and the ability to operate confidently with technical teams, auditors, customers, and leadership. Exostar’s cloud-based platforms create exclusive communities within the Aerospace and Defense, Life Sciences, and other highly regulated industries where members securely collaborate, share information, and operate compliantly.
Information Systems Security Engineer (Subject Matter Expert) Nightwing Intelligence SolutionsInformation Systems Security Engineer (Subject Matter Expert)Sterling, Virginia1. Experience working with sponsor and providing input to A&A process activities and related documentation such as systems concept of operations, system security design, implementation plans, operational procedures, and maintenance training materials. Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges.
Information Security Specialist Military, Veterans and Diverse Job SeekersInformation Security SpecialistStafford, VirginiaProvide onsite incident management during normal working hours for NIPRNET, SIPRNET, JWICS and Special Access Systems and equipment. Implement and maintain anti-virus and malicious code protection for all OMC information systems using government provided software.
Information System Security Engineer Omega Enterprise Solutions, LLCInformation System Security EngineerAnnapolis Junction, MDFull timeA Bachelor’s degree in Computer Science, Information Assurance, Information Security System Engineering, or a related discipline from an accredited college or university and a technical certification such as Security +, or An Associate’s degree in Computer Science, Information Assurance, Information Security System Engineering, or a related discipline from an accredited college or university and a technical certification such as Security + plus two (2) years of general IT experience, or Four (4) years of general IT experience, at least one (1) of which must be information systems security experience. At the highest levels the ISSE may work independently or in a contractor lead technical role, developing system security architecture and requirements, defining processes and methodologies, and resolving complex technical issues or research problems with government oversight.
Information System Security Officer : 26-02315 Akraya Inc.Information System Security Officer : 26-02315Reston, VA$105–$110 / hourThe ISSO will be responsible for system authorization, security control enforcement, continuous monitoring, risk management, and compliance oversight in accordance with the NIST Risk Management Framework (RMF) and applicable Intelligence Community requirements, including ICD 503, ICD 704, and ICD 705. Primary Skills: Information System Security Officer (ISSO) (Expert), NIST RMF & 800-53 Controls (Expert), ATO Lifecycle & System Authorization (Expert), SSP & Security Authorization Packages (Expert), SCIF/Classified Environments (Expert).
Information Systems Security Officer (ISSO), Mid (MCSES III) AMERICAN SYSTEMSInformation Systems Security Officer (ISSO), Mid (MCSES III)McLean, VirginiaFull timeProvide support to Program Management Offices (PMOs), by conducting site surveys and providing technical information, to develop RMF artifacts to support ATO/ATC and to facilitate IS deployments and successful integration. Develop supporting documentation, such as Plan of Action and Milestones (POA&M) and inspection reports, to coordinate events, capture discrepancies, and document remediation strategy for supported organizations.
Information System Security Officer 3 w /Poly Bigbear.aiInformation System Security Officer 3 w /PolyColumbia, MarylandFull timeAbout BigBear.ai: BigBear.ai is a leading provider of AI-powered decision intelligence solutions for national security, supply chain management, and digital identity. Familiarity with commercial security products, security authorization techniques, security incident management, and PKI and authorization services.
Senior Information Systems Security Officer Captivation SoftwareSenior Information Systems Security OfficerAnnapolis Junction, MD$130,000–$270,000 / yearMinimum Qualifications: Bachelor of Science degree in Computer Science, Information Assurance, Information Security, or related discipline and 12 or more years of related experience, in lieu of bachelor's degree or a Technical Bachelor's Degree an additional 4 Years of experience will be considered. Prepares and reviews documentation to include System Security Plans (SSPs), Risk Assessment Reports, Certification and Accreditation (C&A) packages, and System Requirements Traceability Matrices (SRTMs).
Information Systems Security Engineer (ISSE) Open Systems Technologies CorporationInformation Systems Security Engineer (ISSE)Annapolis Junction, MDThe ISSE will support full Risk Management Framework (RMF) execution, Assessment & Authorization (A&A) activities, and continuous cybersecurity compliance efforts while working closely with system administrators, ISSOs, ISSMs, and system owners. This role focuses on integrating cybersecurity engineering principles across system design, implementation, accreditation, and sustainment activities within complex classified environments.
Information Security Engineer Nightwing Intelligence SolutionsInformation Security EngineerSterling, Virginia$122,000–$253,000 / yearWorking on this team means directly supporting the nation's cybersecurity defenders by ensuring they have reliable, scalable, and secure cloud infrastructure available within hours of a cyber incident—helping protect America's digital infrastructure when it matters most. As part of the Engagement Support Services (ESS) contract, this program enables analysts to quickly access the tools and environments they need to investigate cyber threats affecting federal agencies, state and local governments, and critical infrastructure.
Information Systems Security Engineer Prodigy OneInformation Systems Security EngineerAnnapolis Junction, MarylandThe 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. Preferred Qualifications: Five (5) years of experience with Defense in Depth Principals/technology (including access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk assessment methodology to system development.
NewInformation Security Engineer AppianInformation Security EngineerMclean, VAGrowth Opportunities: Appian provides a diverse array of growth and development opportunities, including our leadership program tailored for new and aspiring managers, a comprehensive library of specialized department training through Appian University, skills based training, and tuition reimbursement for those aiming to advance their education. Our mission is to build, monitor, and scale robust security tools and processes that shield critical corporate and customer assets from emerging threats, international security concerns, and vulnerabilities, ensuring our AI-Powered Process Automation platform remains resilient and secure.
Senior Information Systems Security Officer (Isso) Independent SoftwareSenior Information Systems Security Officer (Isso)Annapolis Junction, MDAdditionally, you will provide technical leadership in interpreting security requirements, implementing controls, and responding to emerging threats, while continuously improving processes to enhance resilience, compliance, and mission effectiveness. In this role, you will serve as a key security authority for assigned systems and programs, ensuring compliance with evolving DoD and IC policies while proactively identifying and mitigating risks to classified environments.
Senior Information Systems Security Officer (ISSO) Independent SoftwareSenior Information Systems Security Officer (ISSO)Annapolis Junction, MDCreate and maintain critical security documentation including: – System Security Plans (SSPs) – Risk Assessment Reports (RARs) – Plan of Actions and Milestones (POA&Ms) – Certification and Accreditation Packages – System Requirements Traceability Matrices (SRTMs). Certifications: • DoD 8140.03 compliance with IAM Level II or IAT Level III (CASP, CISSP, or Associate) Clearance Requirement: Must possess an active TS/SCI with appropriate Polygraph to be considered for this role.
Information Systems Security Engineer ExcelityInformation Systems Security EngineerHerndon, VirginiaJob Responsibilities : Responsible for cybersecurity elements of Engineering and Operations network solutions and strategic adherence to all aspects of the Information Assurance (IA) program as stipulated by various U.S. Government requirements including but not limited to): Director of Central Intelligence Directives (DCID), IC Directive (ICD) 503 and associated NIST publications. Excelity is seeking an ISSE for a project in charge of providing comprehensive engineering, operations support services, and tech refresh services worldwide for the Enterprise IT Infrastructure (EII) to advance DoD Intelligence Information Systems (DoDIIS) Enterprise capabilities and functions.
Information Systems Security Officer ExcelityInformation Systems Security OfficerReston, VirginiaJob Responsibilities : Responsible for cybersecurity elements of Engineering and Operations network solutions and strategic adherence to all aspects of the Information Assurance (IA) program as stipulated by various U.S. Government requirements including but not limited to): Director of Central Intelligence Directives (DCID), IC Directive (ICD) 503 and associated NIST publications. Excelity is seeking an ISSO for a project in charge of providing comprehensive engineering, operations support services, and tech refresh services worldwide for the Enterprise IT Infrastructure (EII) to advance DoD Intelligence Information Systems (DoDIIS) Enterprise capabilities and functions.
Senior Information System Security Officer (ISSO) Cyber Defense TechnologiesSenior Information System Security Officer (ISSO)Chantilly, VirginiaUnderstanding of system methodologies including but not limited to client server, web hosting, web content servers, policy servers, directory servers, firewalls, WAN, LAN, switches, and routers. Expert ability to establish and maintain effective internal and external working relationships with government and contractor program managers, security professionals, and mission partners.
Information System Security Officer Independent SoftwareInformation System Security OfficerAnnapolis Junction, MDImplements, enforces, communicates, and develops security policies or plans for data, software applications, hardware, telecommunications, and information systems security education awareness programs. High School Diploma or equivalent and (4) years' experience or bachelor's degree in computer science or related discipline from an accredited college or university and (2) years experience.
NewInformation Systems Security Engineer (Isse) SolielcomInformation Systems Security Engineer (Isse)Fort Meade, MD$110,000–$130,000 / yearABOUT US: Soliel LLC is an innovative, growing engineering company specializing in providing Cybersecurity, Agile Software Development, Data Management and Analysis, Cloud Engineering and Services, DevSecOps, and Systems Engineering services to the Department of Defense and other federal agencies. QUALIFICATIONS: 7+ years of combined IT, systems engineering, information assurance, or cybersecurity experience, including 4+ years supporting cybersecurity engineering, RMF, or A&A activities.