> Markdown version of [/jobs/ext/3951202-senior-system-security-administrator](https://www.wearedevelopers.com/jobs/ext/3951202-senior-system-security-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior System Security Administrator

- **Company:** HUMAN CAPITAL RESOURCES
- **Location:** Washington, DC, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Cyber Security, Information Systems, Data Security, Identity and Access Management, Systems Analysis, Information Systems Security Architecture Professional, Information Technology
- **Published:** October 27, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-system-security-administrator-dc--d98bc07c-77fa-4a0d-b0d4-a8666a6bc9cc

## About the Role

Computer Security, Systems Administration/Management, Computer Security, Communication Skills, Information/Data Security (InfoSec), Detail Oriented, Analysis Skills, Information Technology & Information Systems, Systems Analysis, FISMA - Federal Information Security Management Act, HCRC is seeking an Senior SystemSecurity Administrator to join our team and contribute to the success of our mission-critical security operations. The ideal candidate is a detail-oriented, resilient professional with a strong background in InfoSec/IT Security, excellent communication skills, and a proven ability to manage competing priorities in a dynamic environment. If you're a self-starter with a customer-first mindset and a passion for safeguarding systems and data, we want to hear from you., * Education: Bachelor's degree in Information Technology, Computer Science, Math, or a related science field (Master's degree preferred)

 * Experience: Minimum 5 years in InfoSec/IT Security roles, including at least 2 years of FISMA-related experience
 * Certifications (Preferred):
 + CISSP (Certified Information Systems Security Professional)
 + PMP (Project Management Professional)
 + CompTIA A+
 * Strong working knowledge of federal security standards and frameworks (e.g., NIST, FISMA, DOD, DCID, FBI)
 * Experience in IT customer support, including account and access management
 * Proven team leadership and personnel management capabilities, * Excellent verbal and written communication skills
 * Strong analytical, critical thinking, and problem-solving abilities
 * High attention to detail
 * Effective interpersonal skills with a patient, customer-focused attitude
 * Ability to thrive in a collaborative, team-oriented environment
 * Resilience and professionalism in sensitive, high-pressure situations
 * Strong organizational skills with the ability to manage multiple priorities simultaneously

## Description

* Analyze and assess IT and system risks in complex operational environments
 * Interpret and apply information security policies, standards, and regulations including NIST 800-53 Rev 5, FISCAM, FISMA, and others
 * Provide support for FISMA-related activities and ensure compliance with federal security mandates
 * Lead and mentor a team of system security administrators
 * Manage access and account controls while supporting IT service delivery
 * Provide expert advice in security architecture and risk mitigation strategies
 * Maintain effective communication with internal teams and external stakeholders to address security issues
 * Remain calm and professional under pressure, especially during high-priority and sensitive situations
 * Multi-task and prioritize assignments in a fast-paced, mission-driven environment