Lead Information Systems Security Engineer (ISSE) – Federal RMF Expert

Nightwing

Sterling (VA)

On-site

USD 99,000 - 206,000

Full time

7 days ago

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Benefits offered by this job

Medical, Vision & Dental Insurance

401k plan

Paid Time Off

Job summary

Nightwing seeks an Information Systems Security Engineer (ISSE) to support a government customer in the Dulles, VA area. You will join a team of developers and engineers delivering secure government information systems and mission-critical support.

Responsibilities include preparing A&A, aligning with DCID/ICD 503 and NIST RMF, and implementing robust security controls. Candidates must have 8+ years of federal cybersecurity experience and TS/SCI with Polygraph.

Qualifications

Bachelor's degree in a relevant discipline.
8+ years of experience in federal cybersecurity programs or government IT environments.
Strong knowledge of NIST SP 800-3, NIST SP 800-37 (RMF), and federal security compliance processes.
Familiarity with secure system design principles, encryption, identity management, and access control.
Ability to produce high-quality technical documentation for audits and accreditation.
Experience in executing scans using vulnerability scanning tools including Nessus, AppDetective, WebInspect, and other scanners.
Experience with AWS cloud security compliance.
TS/SCI with Polygraph Required.

Responsibilities

Prepare Assessment and Authorization (A&A) documents and procedures.
Collaborate with program ISSE and government security representatives.
Support adherence to IA program per USG requirements (DCID, ICD 503, NIST).
Design, develop, implement, and sustain secure government information systems.
Work with system owners, PMs, and security teams to protect mission-critical systems.
Engineer, implement, and maintain security controls per NIST RMF.