Senior ISSE: SAP/JSIG RMF Security Engineer
VulnU
Leidos is seeking an Information System Security Engineer to support classified information systems onsite at the San Diego campus. You will act as ISSE for Special Access Program systems, ensuring security controls throughout the lifecycle from development to decommissioning. The role requires active DoD Top Secret clearance, RMF/JSIG expertise, and strong experience with Windows/Linux environments, STIGs, and Nessus/Splunk tooling. Onsite work at Campus Point, San Diego, CA is expected. #J-18808-Ljbffr VulnU
$140k - $155k
...Requisition # 1929 Job Title Job Title: Information System Security Engineer (ISSE) Senior Location Location: Quantico, VA Clearance Level... ...technology, or organizational changes occur. Contribute to RMF and system security engineering activities, including: Security...SeniorTemporary workWork experience placement- Base-2 Solutions, LLC. seeks a senior cyber security engineer to support the DOMEX Technology Platform under NMEC, focusing on secure DoD systems across on‑prem infrastructure. You will integrate RMF into the SDLC, develop security documentation, and ensure compliance...Senior
- ...Corporate Information Security Office, reporting... ...Information System Security Engineer to support various... ...Security Engineer (ISSE) for Special Access... ...Guide (JSIG), Risk Management Framework (RMF), applicable DoW policies... ...Special Access Program (SAP) environments and applying...SAPFull timeWork at office
- Akima Data Management (ADM) seeks an Information System Security Engineer (ISSE) to design, engineer, and validate cybersecurity across DoW OIG information systems. Based in Alexandria, VA, you will integrate security throughout the system lifecycle, including requirements...Senior
- Everforth ECS in Fort Meade, MD is seeking an Information Systems Security Engineer to lead security architecture hardening, vulnerability mitigation, and continuous RMF accreditation for multi-tenant systems. The role covers implementing security controls across hybrid...Senior
- Leidos is seeking a Senior AWS Cyber Engineer to support the USAF Cloud One architecture in a large multi... ...Hanscom AFB, Boston, MA focuses on security, compliance, and cost effectiveness for... .... You design, deploy, and maintain RMF/ATO artifacts for AWS SIPRNet, act as...Senior
- Northrop Grumman Space Systems seeks a Senior Cyber Systems Engineer to support advanced missions from Linthicum,... ..., guide cross‑functional teams, and drive RMF documentation and system risk management. Strong DoD/IC security experience is essential. The role emphasizes...Senior
$177k - $265.6k
# Staff Cybersecurity Analyst / Information Systems Security Engineer (ISSE)Northrop Grumman · northropgrumman.comCategory: Security EngineeringLocation... ...needs to be familiar with the Risk Management Framework (RMF) and the process of accrediting a system through it as well...Work at officeLocal areaRelocationShift work- Peraton Labs seeks a Senior Cyber Security Engineer to own the compliance posture for the Agentic AI platform, ensuring SSPs, policies, and evidence meet RMF/ATO requirements. You will coordinate POA&Ms, work with auditors, and translate technical controls into auditor...Senior
$122.21k - $211.32k
...travel to Norfolk, VA. Overview: The Information Systems Security Engineer (ISSE) - Navy will promote an integrated, team-oriented culture while... ...GCP or Azure environments Experience with Navy or other DOW RMF requirements Proven experience navigating ATO processes for...Contract workLocal areaRemote work$130k - $150k
...Summary Newberry Group is seeking an experienced ISSE to support our DISA customer. The Information System Security Engineer (ISSE) serves as a dedicated, customer-facing... ...security architecture and Risk Management Framework (RMF) guidance for on-premises, cloud-hosted, legacy...Temporary workRemote workFlexible hours$180k - $190k
...seeking a highly skilled and mission‑driven Information System Security Engineer (ISSE) to design, engineer, and validate cybersecurity... ...interface control documents, and engineering analyses supporting RMF and system accreditation. Conduct vulnerability analyses, threat...Full timeContract workPart timeFor contractorsWork at officeLocal areaRemote work$165k - $190k
...transformation with useful data. Redox Engine, a flexible interoperability platform, connects... ...& Impact We are seeking a Senior Security Engineer to take ownership of cloud-native... ...Hands‑on application of the NIST AI RMF, OWASP Top 10 for LLMs, etc within a production...SeniorFull timeRemote workFlexible hours- We’re looking for a seasoned Security Engineer who has started applying that expertise to AI/ML systems. This role is a natural next step for... ...risks and frameworks — OWASP LLM Top 10, MITRE ATLAS, NIST AI RMF, EU AI Act. You don’t need to have lived in these for years; you...SeniorLocal areaRemote workFlexible hoursWeekend work
$102.6k - $191.9k
# Systems Security Engineer (Principal or Senior Principal Level) (OKC)Northrop Grumman · northropgrumman.comCategory: Security EngineeringLocation: United... ...Instruction (CNSSI), and Risk Management Framework (RMF) processes, policies and guidelines. Essential Functions...SeniorFor subcontractorRelocation packageShift work- ...Corporation seeks a Cybersecurity Lead to command RMF lifecycle execution, authorization... ..., AL. You will interface with ISSM/ISSE, control assessors, and government leaders... ...decisions while embedding cybersecurity engineering into infrastructure and development cycles...SeniorContract work
$195k
Applied Research Solutions (ARS) is seeking a Senior ISSE at Hanscom AFB to secure next-generation Air Force systems. The role requires a seasoned cybersecurity professional with DoD RMF experience and an active Secret clearance. ARS offers competitive benefits and emphasizes...Senior- Base-2 Solutions is seeking a Cloud Security Engineer 3 to secure, harden, and maintain compliance of cloud platforms across secure networks in... ...a strong background in cloud security, Kubernetes, CI/CD, and RMF/compliance practices. Join a cross-functional team supporting...Senior
- Jito Labs, Inc. seeks a security-focused software engineer who can own an expansive operational and technical scope, from access management to building testing frameworks. You will report to the Head of Security and help strengthen our security posture across the organization...SeniorRemote work
- ...ThoughtSpot cultivates a respectful culture that pushes norms to create world-class products. The Role: We're looking for a Security Engineer to join our AI Platform Security team. It is a high-ownership, low-oversight role for an application/product security...SeniorWork at officeLocal areaShift work3 days per week
$160k - $180k
...manufacturing. We are a team of builders, engineers, and operators who believe nuclear energy... ...Valar's operations. The team ensures secure, reliable, and scalable technology solutions... ...Valar Atomics is seeking a hands- on Senior Network Security Engineer to design, implement...SeniorPermanent employmentRemote work- ...across healthcare, defense, aerospace, automotive, robotics, security, climate, and more—for customers who demand reliability,... ...ethics above all. ABOUT THE ROLE We’re looking for a Senior Security Engineer to design, build, and operate the technical controls that...SeniorFull timeWork at officeLocal areaMonday to Friday
$146k - $234k
Responsibilities Responsibilities: As an Information Systems Security Engineer (ISSE), you will play a key role in securing complex systems, ensuring compliance with federal cybersecurity frameworks, and protecting sensitive information. Duties will include: Conduct vulnerability...Contract workShift work- Reveleer in Kentucky is seeking a Sr. Information Security Engineer to safeguard its cloud-based health-tech platform, AI/ML pipelines, and customer... ...aligned with HIPAA, HITRUST, SOC 2, NIST 800-53, and NIST AI RMF. The role emphasizes hands-on security across DevSecOps,...Senior
- ...threats that hit any high-value fintech and the specific ones that follow value on-chain. About the Role We are hiring a Senior Security Engineer - Product Security to own how we ship secure products at Ondo. You will be a security partner for our product engineering...SeniorContract work
- ...businesses operate in the physical world, moving beyond traditional security solutions to deliver AI-driven, actionable intelligence that... ...of the Security Today Govies Award for 2025. Security engineering at LVT centers on building durable capabilities rather than performing...SeniorFull timeWork at officeImmediate startFlexible hours
- ...Requirement: Less than 10% Security Clearance: Must possess... ...The Cybersecurity Engineer supports the U.S. Customs... ...and Technology (OIT) ISS OTOC. This position will... ...Management Framework (RMF) support for complex operational... ...program managers, and senior government stakeholders...Work at office
$180k - $230k
...transform regulated industries and beyond. Security at Valon Our customers entrust us with... ...team partners closely with Product and Engineering to design and deliver secure, scalable,... ...are seeking an experienced and skilled Senior Security Engineer, Threat & Offensive Security...SeniorLocal areaRemote workFlexible hours- # Senior Security Engineer, Product SecurityGoodleapOn-siteUnited StatesCybersecurityPosted Sep 22, 2026About GoodLeap: GoodLeap is a technology company delivering best-in-class financing and software products for sustainable solutions, from solar panels and batteries...Senior
- Klaviyo is seeking a Senior Security Engineer to join our Detection & Response team. This is an engineering role spanning the full detection and response lifecycle, building detections, triaging alerts, leading investigations, and automating security workflows. You will...Senior
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