Senior Security Systems Engineer SLBM
$5,000 per monthImagine One
This position requires U.S. citizenship and an active U.S. DoD clearance. Candidates who are not U.S. citizens are not eligible for this role. Imagine One Technology & Management, Ltd. is seeking four (4) Senior Security Systems Engineers with specific experience working with Submarine-Launched Ballistic Missiles (SLBMs). These positions are contingent upon award of the associated work and will be performed in Dahlgren, Virginia.The Senior Security Systems Engineers will be expected to:Author DoD Assessment and Authorization (A&A) artifacts. Document a system from a cybersecurity perspective using Microsoft (MS) Office including MS Word, MS Excel, MS Visio and other appropriate tools. Derive, document and/or identify system Concept of Operation (CONOPS) for Mission Assurance Categorization per DoDI 8500.2. Lead the research, recommend and document logical and physical solutions that prevent, detect and correct the system to be certified and accredited. Research and apply Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs) and National Security Agency (NSA) recommendations. Lead the identification of disagreements between as built specifications, security requirements and DoD security policies and design implementations to bring the system into compliance. Plan, develop, execute and document results of security test procedures.Lead the analysis and testing of a designated US Naval warfare system against known vulnerabilities based upon security approaches and known hacker techniques and exploits. Lead and perform as Information Assurance Officer to be focal point for all security matters related to specific sets of information systems. Lead the preparation and execution an Information Assurance Vulnerability Management (IAVM) Plan. Lead the preparation and production of a System Security Administrator and Operators Manual (SSAOM). Lead obtaining Authorization to Operate (ATO) and resolve issues in the event a US Naval warfare system is issued an Interim ATO (IATO). Lead the technical support effort in identifying and specifying requirements and performing risk assessments.Desired Experience: Seven (7) years of SLBM experience Possess an in-depth understanding of computer security, military system specifications, DoD Cybersecurity policies for both land-based, afloat/tactical systems, or System Security Plan (SSP) CSSE, and the ability to communicate clearly and succinctly in written and oral presentations. Combat weapons systems knowledge along with prior experience using the SSP Validator handbook. Experience executing all aspects of the Systems Engineering Technical Review (SETR) Process. Possess an in-depth understanding and experience in Risk Management Framework (RMF), Platform IT (PIT), and the implementation of Cybersecurity and cyber boundary defense techniques and various Cybersecurity appliances. Examples of these appliances and applications are Firewalls, IDS, IPS, Switch/Routers, Cross Domain Solutions (CDS) and Host Based Security Systems (HBSS). Examples of engineering experience include developing secure network architectures, security design, developing engineering documentation, application of Model Based System Engineering (MBSE), cyber testing, cyber test analysis, or development of secure computing system architectures.Highly desired: five (5) or more years of engineering experience on Aegis, SSDS, Zumwalt, or other Navy afloat tactical combat systems.Desired Education: Bachelor’s degree desiredSecurity Requirements: Active DoD Top Secret security clearance requiredTwo (2) of the four (4) engineers require a TS SCI clearanceImagine One Technology & Management, Ltd., offers a full package of benefits and competitive salary, excellent group medical, vision, and dental programs. 401K savings plan; $4K annual tuition reimbursement ($5K if pursuing master’s degree); employee training, development, and education programs; profit sharing; advancement opportunities; and much more! ISO 9001:2015, ISO 20000-1:2018, ISO 27001:2013CMMI Development and Services - Maturity Level 3An Employee-Owned BusinessEEO/Veterans/Disabled
$135k - $195k
OverviewAMERICAN SYSTEMS is an employee-owned federal government contractor... ...of Information Technology, Engineering & Analysis, Test & Evaluation... ..., continuously improve, and secure DTE&A Data Management... ...excellence. This hybrid role combines senior system administration, site...SeniorFor contractors- ...MANTECH seeks a motivated, career and customer-oriented Senior Systems Engineer to join our team for the DOE NNSA PRI contract in Washington... ...offers the opportunity to contribute to critical national security efforts within a leading organization. This is an onsite...SeniorContract workWork at office
- ...the U.S. Department of State’s Bureau of Diplomatic Security (DS) - Training - Technical Security Engineering. The Advisor will play a critical role in refining... ...Security.Demonstrated track record of engagement with senior-level DS personnel and contract leadership.Existing...SeniorContract workWork at office
$69.4k - $158k
Undersea Systems Security EngineerThe Opportunity: Join our team as a Systems Security Engineer supporting cybersecurity and systems security analysis for U.S. Navy afloat and undersea platforms. You will help design, assess, and implement cybersecurity solutions across...SuggestedFull timeContract workPart timeLocal areaRemote work$104.24k - $156.36k
...mission-critical facilities, secure environments, complex infrastructure... ..., audiovisual, and IT systems. Headquarters in Tysons, Virginia... ...technology solutions through engineering expertise and smart systems... ...communication with senior leadership as well as local office...SuggestedWork at officeLocal area$62k - $141k
Systems Security EngineerThe Opportunity:As a cyber mission specialist, you understand the value of hunt-forward operations, and you know... ...with network and endpoint security, incident response, systems engineering, and AI-enabled cyber defense.In this role, you will support...Full timeContract workPart timeWork at officeLocal areaRemote workWorldwide$69.4k - $158k
System Security EngineerThe Opportunity:Everyone knows security needs to be “baked in” to a system architecture—you actually know how to... ...reduce their attack surface. What if you could use your cyber engineering skills to design and develop secure systems for Navy and...Full timeContract workPart timeLocal areaRemote work- Washington DCTechnology - Security /RemoteThe Senior Security Engineer II will be responsible for designing, implementing, and maintaining security services... ...:Application SecurityKnowledge of health-tech systems, like Electronic Health Records, Clinical data, PHI, etc...SeniorTemporary workWork at officeRemote workWork from homeFlexible hours
$112.8k - $257k
Systems and Network Security Engineer, LeadThe Opportunity:Build and grow the company's Industrial Control System (ICS) and Supervisory Control and Data... ...in a fast-paced environment. Coordinate with senior leaders to develop new business opportunities and author...Full timeContract workPart timeInterim roleLocal areaRemote work- ...companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril’s family of systems is... ...the military in months, not years.ABOUT THE TEAMAnduril's Security Engineering team is looking for a security engineer to focus on building...SeniorFull timeWork experience placementImmediate start
$166k - $220k
...companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril’s family of systems is... ...the military in months, not years.ABOUT THE TEAMAnduril's Security Engineering team is looking for a security engineer to focus on building...SeniorFull timeWork experience placementImmediate start$125.12k - $187.68k
...mission-critical facilities, secure environments, complex infrastructure... ..., audiovisual, and IT systems. Headquarters in Tysons, Virginia... ...technology solutions through engineering expertise and smart systems... ...communication with senior leadership as well as local office...SeniorWork at officeLocal areaFlexible hoursNight shift- ...seeking an Assessments & Exercises Vice President to enhance the security of its critical banking applications. This leadership role... ...planning, executing, and reporting penetration tests on vital systems, ensuring vulnerabilities are identified and remediated effectively...Senior
$135k - $200k
Washington, D.C.Information Security /Full-time /HybridA World-Changing CompanyPalantir... ...children, and more.The Role As a Senior Identity Security Engineer on Palantir's Identity Security team... ..., federation, and authorization systems - including SAML, OIDC, and policy-driven...SeniorFull timeWork experience placementWork at officeRemote workWork from homeRelocation packageShift work$180k - $220k
...ingenuity of the world’s largest community of security researchers to continuously discover,... ...exposures across code, cloud, and AI systems. Through solutions like bug bounty,... ..., respect, and accountability.Senior Security Engineer, Identity and Access ManagementRemote...SeniorApprenticeshipLocal areaRemote workFlexible hoursShift work- ...DC Office of the Chief Financial Officer (OCFO) needs a Senior Network Security Engineer to support the design, implementation, operation, and security... ...(IPsec, VPN, etc.) ~ Knowledge of network-based and system-level attacks and mitigation methods ~ Experience with...SeniorWork at officeLocal areaRemote work
$102.75k
Agency: SenateDepartment: Legislative BranchSalary: Starting at $102,745 Per year (AD 00)Dates: Open 09/25/2026 to 10/09/2026Schedule: Full-timeWork type: PermanentRelocation: FalsePosition ID: req1092Document ID: 886470200Grade: AD 00Job category: Information Technology...Senior- ...Senior Network Security Engineer -Long-Term Contract (Government) Position Title: Network Security Engineer(NSE) Worksite Address Washington... ...operate network security-focused monitoring and logging systems Qualifications Experience building large scale,...SeniorLong term contractLocal areaRemote work
$200k - $250k
...Defense at CSG Talent Are you an experienced Network Engineer with hands-on experience in Network Security? Are you passionate about working within a... ...-related contributions? Then do read on! As the Senior Network Engineer, you would join a Cloud Security Solutions...SeniorFull timeLocal areaFlexible hours$120k - $150k
...point for resolving complex network infrastructure, routing, and security configuration issues across both on-premise Data Centers and... ...comprehensive documentation on network topology, hybrid cloud designs, system security configurations, and operational SOPs. Bridge...SeniorWork at office$166k - $220k
...ABOUT THE TEAM Anduril's Security Engineering team is looking for a security engineer to focus on building world class defensive controls... ..., and corporate infrastructure Develop tools and systems to improve security posture and operational efficiency...SeniorFull timeFor contractorsWork experience placement- ...Summary We are looking for a highly talented, technical hands‑on Senior Security Engineer to develop and implement strategies to protect computer systems, networks, and other digital assets from malicious attacks. To work with a team of IT professionals to design and...SeniorFull time
$100k
...America’s application layer. We replace the legacy systems federal agencies run on with modern software,... ...-ready is currently spread across a handful of engineers. That doesn't scale. We're hiring our first dedicated security engineer to sit on the platform team and own...SeniorWork at officeRemote workHome office$166k - $220k
...companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril’s family of systems is... ...in months, not years. ABOUT THE TEAM Anduril's Security Engineering team is looking for a security engineer to focus on building...SeniorFull timeFor contractorsWork experience placementRemote work- ...Evolver Federal is seeking a Senior Security Engineer to fulfill a requirement for a potential government client. The Senior Security Engineer... ...maintaining advanced security solutions to protect federal systems and data. This role prioritizes continuous monitoring,...SeniorContract workFlexible hours
- .... Small team. Every person matters. We're looking for a senior security engineer who breaks things so our members never have to worry. About... ...so we can build like defenders. You’ll probe our AI systems, infrastructure, and applications for weaknesses before anyone...Senior
$140k - $155k
...This position is located in the Network Engineering and Operations (Networking)... ...capabilities. This position serves as the Senior Network Systems Engineer. Key responsibilities include... ...Planning; Information Systems/Network Security; Information Technology Support; Knowledge...SeniorContract workWork experience placementWork at officeLocal area$107.9k - $195.05k
...information and/or position overview. Leidos is seeking a Senior Security Engineer to serve as the technical lead for day-to-day security... ...Provide technical leadership and guidance to security personnel, system administrators, engineers and other technical teams....SeniorWork experience placementLocal areaImmediate start- ...We are seeking a Senior Security Engineer with experience in Network, SaaS, and AI Security to help evolve and safeguard CoStar’s enterprise... ...infrastructure, cloud services, SaaS platforms, and emerging AI systems. This role expands upon traditional network security...SeniorFull timeWork at officeWork from homeMonday to Thursday
- ...Pueo Business Solutions LLC seeks a Cybersecurity Engineer to design and secure air-gapped Kubernetes/OpenShift platforms in classified enclaves. The role focuses on container security, federal compliance (NIST 800-53, DISA STIGs, RMF/ATO), and automation across CI/CD...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Security Systems Engineer SLBM. Be the first to apply!
- senior cloud security engineer Arlington, VA
- aws cloud security engineer Arlington, VA
- security software engineer Arlington, VA
- sr information security engineer Arlington, VA
- physical security engineer Arlington, VA
- network security engineer Arlington, VA
- information technology security engineer Arlington, VA
- sr security engineer Arlington, VA
- senior application security engineer Arlington, VA
- security engineer Arlington, VA



