Top Cyber Security Jobs

Develop, deploy, configure, and maintain cybersecurity tools and defensive solutions across on-premise and cloud environments supporting NGA networks. Troubleshoot network security issues, manage architectures and inventories, evaluate emerging technologies, recommend upgrades, and provide technical reports and briefings. The role requires active TS/SCI clearance, DoD cybersecurity certifications, enterprise network security expertise, and support for occasional off-hours work.

The Cyber Security Engineer Co-Op will support IEX's Information Security team, gaining hands-on experience in compliance, operational tasks, and security programs while contributing to security initiatives.

Build and operate automated security infrastructure across AWS and Kubernetes, including cryptographic-material lifecycles, security telemetry, compliance automation, policy-as-code, threat modeling, and CI/CD security controls. Develop agentic AI workflows using tools such as Claude Code and MCP integrations. Support incident response, review security architecture, automate evidence collection, and partner with engineering, audit, risk, vendors, and clients to improve security posture at scale.

Applies security best practices to optimize systems, analyzes and resolves security challenges, drives cross-functional security initiatives, and collaborates with engineers to improve security processes and overall organizational security posture.

Build, deploy, and operate infrastructure security tooling, automated controls, and security services across public and private cloud environments. Develop scalable frameworks and automation to address security issues, advise service teams, and improve infrastructure security. The role requires expertise in Linux or containers, cloud security, threat modeling, NIST standards, Kubernetes, CI/CD, container security, encryption, and authorization. An active TS/SCI with CI polygraph clearance and U.S. citizenship are mandatory.

Conduct cybersecurity analysis, vulnerability scanning, patch management, compliance assessments, hardening, log analysis, incident response, and CVE remediation for enterprise IT infrastructure supporting a DoD program. Apply STIGs and RMF/ATO requirements, maintain security documentation, collaborate with infrastructure teams, and automate DevSecOps security processes across Windows, network, and virtualized environments.

Designs, develops, configures, and integrates cybersecurity requirements into information systems and technology products. Leads security architecture, system design, technology research, alternative analysis, development lifecycle activities, roadmaps, and investment planning. Oversees cybersecurity engineers across experience levels and supports enterprise cybersecurity solutions spanning cloud and on-premises environments, including automation, augmentation, and artificial intelligence technologies.

Analyze and protect against vulnerabilities, intrusions, and threats in computer networks. Requires extensive experience in cyber security and network administration.

The Exploitation Analyst will analyze vulnerabilities and threats in network systems, protect against intrusions, and respond to cyber events.

Conduct cybersecurity research and development across security engineering, formal methods, system security, and offensive security. Develop and prototype technologies, improve security capabilities, prepare technical presentations and reports, share findings, and collaborate across research teams. The role requires strong cybersecurity knowledge, proficiency in Python, C, Rust, and Linux development environments, effective communication, and the ability to obtain a Top Secret clearance.

Leads cybersecurity research and development in offensive cyber, systems security engineering, formal methods, and security software. Develops customer relationships and technical business opportunities, leads research execution, mentors technical staff, strengthens delivery rigor, collaborates with program management, and shares research results. Requires extensive technical experience, research expertise, leadership in capture activities, strong communication skills, and TS/SCI clearance.

Lead offensive security and red team engagements across complex networks and applications, using adversarial tactics for vulnerability discovery, exploitation, persistence, evasion, and remediation validation. Develop testing strategies, payloads, tools, and C2 infrastructure; conduct source reviews and reverse engineering; document findings; and improve blue-team detection capabilities. Collaborate with stakeholders, communicate technical risks, and lead technically diverse cyber teams while supporting DoD cyber operations and maintaining required certifications and clearance.

Performs cybersecurity implementation and assessment activities for nuclear power plant upgrades and projects. Responsibilities include developing critical digital asset lists, conducting assessments, walkdowns, testing, and technical presentations; preparing specifications and modification packages; defining design criteria; selecting equipment; and configuring and testing digital devices. Requires collaboration with engineering teams, compliance with NRC regulations and nuclear industry standards, client-site travel, and maintenance of unescorted nuclear plant access.

This internship is for DoD SkillBridge eligible interns, offering opportunities across various cybersecurity and software engineering roles. Candidates must be active duty service members transitioning from the military.

Designs, deploys, operates, and maintains endpoint security solutions across workstations, servers, VDI, and mobile devices. Responsibilities include managing CrowdStrike Falcon, Symantec DLP, Skyhigh, and Zscaler technologies; monitoring telemetry and sensor health; troubleshooting endpoint issues; executing upgrades and migrations; supporting SIEM/SOAR integrations, malware coverage, automation, documentation, and security roadmap initiatives.

Conduct cyber penetration testing, adversarial security assessments, system exploitation, network and architecture analysis, and security architecture reviews. Test enterprise systems, hypervisors, Windows installations, and cloud services; analyze results; and develop risk, threat, and mitigation plans. The role also communicates vulnerabilities and risk posture to senior executives and performs complex technical tasks with minimal direction.

Design, implement, and maintain cybersecurity infrastructure for mission-critical DoD networks. Perform risk and vulnerability assessments, configure cyber architectures, integrate security controls, monitor systems, respond to incidents, and apply emerging technologies. The role supports Zero Trust, DevSecOps, RMF processes, system certification and authorization, and DoD acquisition requirements while leveraging tools such as CRIBL, GitLab, Kubernetes, and Splunk.

Analyze system vulnerabilities across hardware, software, personnel, procedures, logistics, and physical security; assess attack techniques and mission impact; develop operational countermeasures; and produce formal and informal reports, briefings, and assessments of actual and potential attacks.

Designs, installs, tests, and maintains secure operating systems, networks, databases, and cybersecurity architectures. Troubleshoots firewalls, network access, malware, and unauthorized activity; performs risk, penetration, vulnerability, and forensic analysis. Converts requirements into constrained systems solutions, establishes configuration baselines, integrates architecture into existing infrastructure, supports testing, and provides technical recommendations. The role is hands-on and onsite in Virginia, requiring coordination with multiple stakeholders and an active TS/SCI clearance with polygraph.

The ConMon Cyber Engineer supports the ISCM Program, enhances ConMon processes, manages data reports, and mentors ISSOs on continuous monitoring protocols.

Designs, automates, and supports complex cybersecurity solutions across cloud and infrastructure environments. Responsibilities include security alert monitoring, incident and vulnerability management, security architecture, SIEM tuning, access reviews, compliance with frameworks such as SOC 2 and CMMC, risk assessments, third-party security reviews, scripting, and secure technology guidance. The role also mentors team members and partners with technical and business stakeholders to improve security posture.

Designs, implements, and maintains cybersecurity infrastructure across networks, servers, workstations, applications, and cloud environments. Responsibilities include firewall administration, security monitoring, vulnerability scanning, intrusion detection, access auditing, compliance documentation, security architecture, policy development, disaster recovery planning, and incident prevention. The role also evaluates security products, leads concurrent projects, collaborates with IT teams, mentors security staff, and develops security awareness materials.

Provide technical and analytical support to OT&E for US Navy Undersea Warfare systems: plan and execute test activities, collect and reconstruct data, perform exploitation analysis, apply DoD cyber policies, and ensure QA/QC of deliverables.

Design, plan, and maintain enterprise cyber architectures for Health IT; translate requirements into prototypes, write/debug code, integrate systems, enforce information assurance, test with customers, and document solutions.