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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Information System Security Officer - **Company:** ECS Limited - **Location:** Fairfax, VA, United States - **Experience:** Experienced - **Salary:** $120,000.0 - $165,000.0 - **Contract:** Permanent contract - **Skills:** Configuration Management, Cyber Security, Information Security Management, Network Layer, Microsoft Networking, Citrix Systems, Security Content Automation Protocol, SQL Databases, Software Vulnerability Management, Firewalls (Computer Science), Fortinet, Nutanix, Cisco - **Published:** September 18, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9174232/information-system-security-officer ## About the Role Everforth ECS Federal has an immediate opening for a mid-level Information System Security Officer (ISSO) to ensure that a Department of Defense (DoD) virtual desktop infrastructure (VDI) environment remains secure and functional. Must have at least 3 to 5 years' experience (pending education requirements) performing a variety of cyber security related tasks, including continuous monitoring, vulnerability remediation, and the development and implementation of standards and procedures. The ideal candidate will have a technical background; experience with heterogeneous environments; and the ability to interface with all levels from end-users to senior management. Candidates must be able to take ownership of tasks and deadlines; work without supervision; commit to high-quality results; and provide common sense solutions. In addition, candidates should be adaptable, detail-oriented, and have well-developed written, verbal, and interpersonal skills., * Must be a US Citizen * Must have a Bachelor's Degree in a related field; four (4) years relevant experience in lieu of a degree * 3+ years of Cybersecurity Experience * Active DoD Secret clearance with the ability to obtain TS/SCI * Capable of understanding the system and its environment of operation * Experience utilizing Enterprise Mission Assurance Support Service (eMASS), ACAS, ESS/HBSS, DoD Risk Management Framework (RMF), Defense Counterintelligence and Security Agency (DCSA) Assessment and Authorization Guide (DAAG), Information Assurance Vulnerability Management (IAVM) alerts, Secure Technical Implementation Guides (STIGs), etc. * Have an active Security+ (Plus) certification or equivalent certification that satisfies DoD 8140 requirements * Able to obtain CISSP, CISM, CASP+ CE, CAP, GSLC, or CCISO Desired Skills * Active Top Secret clearance * A track record of self-improvement and continuous learning * Familiarity with Security Content Automation Protocol (SCAP) * A working knowledge of technologies like: + Citrix Workspace and Networking + Microsoft networking and products (group policy, profiles, SQL, etc.) + Next Generation Firewalls and layer 3 switches (Fortinet and Cisco) + Nutanix Acropolis hypervisor ## Description * Assist and lead various cybersecurity activities such as Assessment and Authorization (A&A), Configuration Management, Continuous Monitoring, and Incident Response. * Assist with the Management and Sustainment of customer projects in the Enterprise Mission Assurance Support Service (eMASS) Toolset. * Apply knowledge, tools, policy, and procedures to implement, monitor, and manage cybersecurity risk in production, test,and development environments. * Utilize Assured Compliance Assessment Solution (ACAS), Electronic Security System (ESS) - formally Host-Based Security System (HBSS), and other tools to monitor, detect, and analyze vulnerabilities. * Coordinate with internal and external stakeholders concerning security compliance. * Support and provide knowledge transfer to team members and clients. * Other duties as needed. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [WeAreDevelopers LIVE - Back to CODE100](https://www.wearedevelopers.com/videos/1909-wearedevelopers-live-back-to-code100) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) ## Related Articles - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Events like RSAC Get You CISOs. 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