Information Systems Security Engineer (ISSE) - Active TS/SCI with FSP

Location: Herndon/Chantilly and Tysons, VA
Clearance Required: TS/SCI with Full Scope Polygraph (FSP)
Position Type: Full-Time, On-Site

Our Client is seeking an experienced Information Systems Security Engineer (ISSE) to join the Phoenix program in a fully funded, mission-critical role. The ISSE will be responsible for defining and implementing security requirements, advising on cybersecurity and information assurance (IA) programs, and supporting accreditation and authorization (A&A) processes. This position will lead vulnerability scanning efforts, ensure compliance with security policies, and maintain system security documentation to safeguard sensitive data and systems.

Primary Responsibilities:

• Lead automated security testing efforts leveraging Sponsor’s enterprise scanning tools
• Create and deliver Monthly Vulnerability Scans and Monthly Privileged Users and Admin Reports
• Serve as the overall lead for ensuring systems are secure by protecting data and enforcing need-to-know access
• Collaborate with the technical team to develop and maintain Plans of Action and Milestones (POAMs)
• Support the Program Manager (PM) with the Contract Security Plan
• Coordinate with the Sponsor’s Information System Security Manager (ISSM) and INFOSEC Program Council as required
• Author and maintain the program’s System Security Plan (SSP) for A&A activities
• Provide security education and awareness programs for Sponsor and program staff
• Develop and maintain the program’s Automated Information Systems (AIS) Plan

Minimum Qualifications:

4–7 years of professional experience with:

• Application security standards and processes
• Accreditation and Authorization (A&A), including documentation, POAMs, and remediation
• Application and data security requirements for Authorities to Develop and Operate systems (ATD, ATO), such as encryption, role-based access control, information assurance, and monitoring/auditing/reporting
• Coordination with engineering teams to implement security requirements
• Agile / Scrum methodologies
• Ability to work full-time on-site in Herndon/Chantilly and Tysons, VA

Preferred Qualifications:

• Strong leadership and communication skills for interfacing with stakeholders, program management, and technical teams
• Demonstrated ability to document, present, and maintain security policies and plans
• Experience working with large-scale, mission-critical systems in secure environments

Eligibility:

• Active TS/SCI with Full Scope Polygraph (FSP) clearance is required for this role

Salary: $155,000/yr. – $175,000/yr.