Electronic Security Field Engineer i2G SystemsElectronic Security Field EngineerSterling, VirginiaKastle Systems Makes Strategic Investment in i2G Systems, Strengthening Leadership in Serving High-Security Industries and High-Value, Large Scale Facilities" Read More About the Partnership Here: https://www.kastle.com/kastle-systems-makes-strategic-investment-in-i2g-systems-strengthening-leadership-in-serving-high-security-industries-and-high-value-large-scale-facilities/ . This position will provide engineering design and support for security solutions for new and existing clients while working alongside internal teams, external teams, clients, and subcontractors to ensure project success.
Senior Specialist Field Engineer, Federal Security CoreWeave IncSenior Specialist Field Engineer, Federal SecurityWashington, DC$165,000–$220,000 / yearTranslate federal security and compliance requirements collaboratively with our federal compliance team; FedRAMP Moderate/High, FISMA, NIST SP 800-53 and 800-171, DoD Cloud Computing SRG Impact Levels (IL4/IL5/IL6), CMMC, and DISA STIGs into concrete Kubernetes and GPU infrastructure architecture and controls. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency.
NewCommunications Systems Engineer - Offensive Security Engineer LV8D SolutionsCommunications Systems Engineer - Offensive Security EngineerChantilly, VALV8D Solutions is an elite Systems Engineering and Technical Advisory (SETA) company that delivers advanced systems engineering, integration, acquisition, mission operations, network communications, and cybersecurity support to our defense and intelligence customers. We specialize in every aspect of our customers’ space and ground mission systems while offering exceptional work-life balance and an exemplary compensation and total rewards package designed to recruit, train, and retain top talent and committed to national defense and career growth.
Information Systems Security Engineer (ISSE) LV8D SolutionsInformation Systems Security Engineer (ISSE)Chantilly, VAInterested candidates must be knowledgeable of best practices when implementing security controls including software engineering methodologies, security engineering methodologies, security engineering principles, and secure coding techniques and coordinate activities with Assessment and Authorization (A&A) stakeholders. LV8D Solutions is an elite Systems Engineering and Technical Advisory (SETA) company that delivers advanced systems engineering, integration, acquisition, mission operations, network communications, and cybersecurity support to our defense and intelligence customers.
Information Systems Security Engineer (Isse) LV8D SolutionsInformation Systems Security Engineer (Isse)Chantilly, VAInterested candidates must be knowledgeable of best practices when implementing security controls including software engineering methodologies, security engineering methodologies, security engineering principles, and secure coding techniques and coordinate activities with Assessment and Authorization (A&A) stakeholders. LV8D Solutions is an elite Systems Engineering and Technical Advisory (SETA) company that delivers advanced systems engineering, integration, acquisition, mission operations, network communications, and cybersecurity support to our defense and intelligence customers.
AI Security & LLM Engineer AnaVationAI Security & LLM EngineerReston, VAThe following individual certifications cover both certification requirements for this program: CompTIA Cybersecurity Analyst, CySA+; EC-Council Certified Network Defender (CND); GlAC Global Industrial Cyber Security Professional, GICSP; (ISC)2 System Security Certified Practitioner (SCCP). You will build resilient multi-agent systems while actively defending against emerging vulnerabilities like prompt injection, data exfiltration, and model manipulation.
Security Automation (SOAR) Engineer AnaVationSecurity Automation (SOAR) EngineerReston, VAThe following individual certifications cover both certification requirements for this program: CompTIA Cybersecurity Analyst, CySA+; EC-Council Certified Network Defender (CND); GlAC Global Industrial Cyber Security Professional, GICSP; (ISC)2 System Security Certified Practitioner (SCCP). Hands-on experience and knowledge with the following: SOAR Playbook Automation: Proven experience building security orchestration and automated response workflows.
Cloud Security Engineer ECS Federal LLCCloud Security EngineerWashington, DC$140,000–$170,000 / yearYou have hands-on experience operating security tooling across AWS and Azure, you can perform architecture reviews and deliver actionable guidance, and you're comfortable supporting ATO processes and continuous monitoring under RMF. Not just scanning, but contextualizing findings, eliminating false positives, and driving remediation outcomes across engineering, development and platform teams.
Information Systems Security Engineer (ISSE) Synergy ECPInformation Systems Security Engineer (ISSE)Columbia, MarylandApplies system security engineering expertise in one or more of the following to: system security design process; engineering life cycle; information domain; cross domain solutions; commercial off-the-shelf and government off-the-shelf cryptography; identification; authentication; and authorization; system integration; risk management; intrusion detection; contingency planning; incident handling; configuration control; change management; auditing; certification and accreditation process; principles of IA (confidentiality, integrity, non-repudiation, availability, and access control); and security testing. Support security authorization activities in compliance with NSA/CSS Information System Certification and Accreditation Process (NISCAP) and DoD Information Assurance Certification and Accreditation Process (DIACAP) process, the NIST Risk Management Framework (RMF) process, and prescribed NSA/CSS business processes for security engineering.
NewSenior Security Engineer LeidosSenior Security EngineerBethesda, MarylandSeptember 14, 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. Coordinate vulnerability remediation across Windows, Linux, network, desktop support and other engineering teams and provide hands-on support for complex or high-priority issues as needed.
NewJunior Security Engineer LeidosJunior Security EngineerBethesda, MarylandThe individual will work closely with senior security personnel, system administrators, engineers and other technical teams to implement security requirements, identify and remediate security issues and maintain the overall security posture of the environment. September 14, 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.
Senior Security Engineer - Splunk UltraViolet CyberSenior Security Engineer - SplunkWashington, District of ColumbiaEmbed Splunk across a wide range of tools across Enterprise IT operations to ingest endpoint and firewall logs, analyze vulnerability scanning data, enhance privileged access monitoring and audit logging, monitor encryption and key management, and enhance threat detection and incident response. Founded and operated by security practitioners with decades of experience, the UltraViolet Cyber security-as-code platform combines technology innovation and human expertise to make advanced real-time cybersecurity accessible for all organizations by eliminating risks of separate red and blue teams.
New Graduate Engineer, Security Software Starshield Space Exploration Technologies CorpNew Graduate Engineer, Security Software StarshieldWashington, DC$130,000–$160,000 / yearThe Starshield team is building highly reliable in-space mesh networks, designing secure systems to guarantee access to space, designing next-gen communication and sensing software, and more. ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.
Security Software Engineer Starshield Space Exploration Technologies CorpSecurity Software Engineer StarshieldWashington, DC$130,000–$160,000 / yearThe Starshield team is building highly reliable in-space mesh networks, designing secure systems to guarantee access to space, designing next-gen communication and sensing software, and more. ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.
Cyber Security Systems Engineer VTGCyber Security Systems EngineerChantilly, VirginiaFull timeResponsibilities: • Serve as the primary liaison between technical teams and security stakeholders, translating complex technical concepts into clear security documentation and requirements. • Navigate customer A&A processes to support Authorization to Develop (ATD), Interim Authority to Test (IATT), and Authority to Operate (ATO) approvals.
Cloud Security Engineer CACICloud Security EngineerWashington, District of Columbia$103,800–$218,100 / yearResponsibilities: Deploy and manage Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS), Firewalls, virtual machines (VMDK, OVF, OVA, and QEMU), including cloud-based images (e.g., AMIs, Azure Virtual Machine Images), virtual networking (OVS, AWS, Azure, VMWare, Nutanix, Virtual Box), and physical networks (CISCO and Arista), as well as forensic tools (Encase, Axiom, etc.).Identify, design, and deploy security solutions, leveraging both cloud-native and commercial off-the-shelf (COTS) technologies. Job Title: Cloud Security EngineerJob 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: The Cyber Engineering team is responsible for cybersecurity infrastructure, providing guidance, consultation, research, and technical information on capabilities, connections, limitations, and risks; utilize Senior knowledge to recommend improvements and changes to security posture, capability deployment, focus areas for threats & vulnerabilities.
Network Administrator - Active TS/SCI with CI Poly ENS Solutions, LLCNetwork Administrator - Active TS/SCI with CI PolyWashington, DCENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. To ensure a fair and equitable candidate evaluation based on individual skills, knowledge, and experience, candidates are not permitted to use artificial intelligence or other assistive tools during interviews, whether in person or virtual, unless explicit permission has been granted in advance.
Network Administrator - Active Ts/Sci With CI Poly ENS Solutions, LLCNetwork Administrator - Active Ts/Sci With CI PolyWashington, DCENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. To ensure a fair and equitable candidate evaluation based on individual skills, knowledge, and experience, candidates are not permitted to use artificial intelligence or other assistive tools during interviews, whether in person or virtual, unless explicit permission has been granted in advance.
Information Systems Security Engineer (ISSE) TS/SCI w/Poly Peraton IncInformation Systems Security Engineer (ISSE) TS/SCI w/PolyAnnapolis Junction, MD$146,000–$234,000 / yearResponsibilities: 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. 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.
Cyber Security Engineer (High Level Clearance Required) ICFCyber Security Engineer (High Level Clearance Required)Fort Meade, MarylandPay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. Intermediate knowledge of Security Onion or Splunk, including interface requirements, scalability considerations, and enterprise configurations; understanding of VMware port properties and their relationship to sensor ports and promiscuous mode.