Cybersecurity Engineer Jobs

Lead RMF accreditation and validate cybersecurity artifacts for the VIRGINIA Class Submarine Program at the Washington Navy Yard, ensuring eMASS, FISMA, and Navy cybersecurity compliance across a large enterprise portfolio.

Voyager Technologies invites experienced and early-career professionals to join its talent community for future opportunities supporting defense and space technology programs that require U.S. person eligibility.

Horizon3.ai is hiring an East Coast-based Solutions Architect to drive technical sales, deliver tailored demonstrations and POCs, and help customers evaluate and deploy NodeZero's autonomous pentesting platform.

An experienced Microsoft Platform Automation Engineer is needed to build automated Power Platform dashboards and workflows, analyze complex datasets, and deliver security-focused analytics for a fast-growing security-focused IT firm.

A paid 10-week IT internship at Corebridge Financial offering hands-on experience across engineering, cybersecurity, data, architecture, and project/business analysis with mentorship and networking opportunities.

Voxel is hiring a technically fluent, customer-facing Implementation Specialist to run pre-sales validation and lead end-to-end implementations that drive fast deployments and measurable safety value.

Agile Defense is hiring a senior Software Engineer V to design and implement large-scale data pipelines, OpenSearch/Elasticsearch solutions, and React-based visualizations in support of a TS/SCI DCO program at Fort Meade.

Lead vulnerability management and STIG compliance efforts for CLAW systems, coordinating across engineering and cyber teams to support DoD accreditation and remediation.

Build and scale Doppel’s backend platform to process billions of signals daily and enable real-time AI-driven threat detection while contributing to product and team decisions in a hybrid NYC role.

Work on Doppel's Product engineering team in NYC building scalable, AI-driven systems that detect and neutralize digital deception across the internet.

Doppel is hiring a Software Engineer, Detection to design and operate scalable, AI-driven detection pipelines that protect customers from evolving social engineering threats.

Scale Microgrids is hiring a SCADA Engineer to architect and deploy mission‑critical monitoring and control systems for data center microgrids and renewable integration.

EXPANSIA is creating a talent network for a range of upcoming Dayton, OH IT contract roles spanning cloud, DevOps, integration, and cybersecurity across entry to senior levels.

Solitude Labs is seeking a founding software engineer to design and build decentralized, zero-trust cybersecurity software for distributed energy resources.

Grip Security is seeking a Solutions Engineer based in the U.S. Southeast to deliver technical demos, manage proofs-of-concept, and align cybersecurity solutions to customer business needs.

AnaVation seeks an experienced Elastic Engineer to develop and maintain Elastic (Elasticsearch/Logstash/Kibana) capabilities and support classified cyber infrastructure for Intelligence Community missions.

Unstructured seeks an experienced AI/ML Engineer to design, evaluate, and deploy secure ML solutions for Department of Defense and national security customers on government networks.

Senior Cybersecurity Engineer needed to drive cloud security, vulnerability management, and compliance (ISO 27001 and related frameworks) at a fast-growing fusion energy company.

Work with Amentum to provide systems engineering, integration, data, cybersecurity, and sustainment expertise for the US ICBM IDOS program supporting Minuteman III and Sentinel.

Build Iron Book as a founding software engineer at Identity Machines to secure enterprise AI with zero-trust access controls and compliance-grade auditability.

Be the technical face of Grip Security in the Southeast US, delivering demos, PoCs, and solution guidance that align security technology to customer outcomes.

Sigma Defense Systems is hiring a Cybersecurity Engineer to support system C&A, container security, STIG compliance, and DevSecOps risk mitigation for defense-focused software platforms.

Peraton is assembling a pipeline of cleared and cleared-eligible technical and functional professionals to staff forthcoming CBP contracts in the Northern Virginia area.

Peraton is recruiting an entry-level Software Engineer for the two-year Ignite Innovator program to develop and test software solutions for national security missions in Herndon or Blacksburg, VA.

Peraton is hiring Summer 2026 Software Engineer Interns to work onsite in Herndon, VA on IRAD projects, contributing to software design, development, and testing across mission-critical domains.

Senior Cybersecurity Engineer needed in Huntsville to lead system-level cybersecurity requirements, vulnerability testing, and risk characterization for MDA programs.

Design and build robust TypeScript REST APIs for Tenchi's TPCRM SaaS platform, helping secure third-party ecosystems at scale in a fully remote environment.

Lead full-stack engineering efforts at a hyper-growth cybersecurity firm, building scalable, secure TypeScript/React and Node.js systems on Kubernetes.

Novartis seeks a Senior Specialist DDIT OPS Automation Engineer to lead IT/OT automation, validation, and cybersecurity efforts that ensure continuous, compliant manufacturing operations.

Mid-level Cybersecurity Engineer needed to support DevSecOps and client cybersecurity teams by implementing RMF-aligned controls, STIG compliance, and container security governance for DoD environments.

Blackpoint Cyber is looking for a Senior Software Engineer (Go) to develop and scale its Endpoint Agent and cloud microservices for mission-critical cybersecurity operations.

Peraton is hiring an Associate Software Engineer to develop and maintain Java-based applications and systems that support critical national security missions.

Work on a small Agile team building scalable case management and cybersecurity software using PHP, JavaScript/TypeScript, and React while supporting secure, mission-critical customers.

Nelnet is hiring a Cyber Security Engineer to strengthen application security through automation, testing, developer collaboration, and implementation of security tools across the organization.

Inclusive & Diverse

Empathetic

Collaboration over Competition

Growth & Learning

Transparent & Candid

Mastercard is hiring an Information Security Engineering Intern for Summer 2026 in Arlington to gain hands-on cybersecurity experience supporting monitoring, vulnerability management, and secure architecture work.

CesiumAstro is hiring a Principal Software Cyber Security Engineer I to lead anti-tamper and embedded cybersecurity design and implementation for DoD-focused satellite and RF systems.

CyberArk is looking for a Senior Implementation Engineer to lead Identity Governance & Administration (IGA) deployments and serve as a trusted technical advisor for enterprise customers.

An experienced backend engineer is needed to own and scale AI-driven automation systems that verify and neutralize online social-engineering threats as part of Doppel’s San Francisco team.

Lead verification for cloud-connected medical devices and mobile health applications as a Senior Verification Engineer/Lead based in Pleasanton, CA with IBA InfoTech.

The University of Miami's UHealth IT team is hiring an AI Security Engineer Specialist to build and operationalize AI-driven automations and prompt-engineered workflows that strengthen SOC threat detection and incident response.

Palo Alto Networks is hiring a Channel Systems Engineer 2 to lead partner technical enablement and pre-sales engagement for US-focused India-based GSIs, driving solution architecture, training, and partner success.

Serco is sourcing cleared and eligible U.S. candidates across DevSecOps, cybersecurity, systems engineering, software, test, and analysis disciplines to support a pending SATCOM ground system modernization program in Orlando and other locations.

Commonwealth Fusion Systems is hiring a Senior Cybersecurity Engineer to drive cloud and infrastructure security, lead compliance efforts (ISO 27001 and related frameworks), and harden systems across Devens and company sites.

Commonwealth Fusion Systems is hiring a Cybersecurity Engineer to lead cloud security, vulnerability management, and compliance initiatives that safeguard mission-critical IT and OT systems.

Octus is hiring a hands-on Cybersecurity Engineer to advance cloud and application security, automate detection and response, and embed security across the development lifecycle.

Experienced network security professional needed to administer and secure campus networking infrastructure and monitor systems for intrusion across wired, wireless, and access-control environments.

Experienced security engineer needed to architect and operate defenses across cloud and enterprise environments for a growth-minded industrial automation software company.

CAE is hiring a Cybersecurity Systems Engineer in Binghamton to lead RMF-driven security engineering, system analysis, and compliance activities for defense programs.

Staff Systems Engineer to design and manage SATCOM system architectures and requirements for MILSATCOM and commercial ground systems at Serco.

Experienced cybersecurity engineer sought to lead cloud and on-prem security initiatives, perform risk assessments, and drive incident detection and response for a growing software company.