TS/SCI ISSE — Federal Cybersecurity & RMF Expert

Nightwing; Town of Texas (WI); On-site; USD 99,000 - 206,000; Full time

Benefits offered by this job

Medical insurance

Vision insurance

Dental insurance

401k plan

PTO & Holidays

Additional insurances

Job summary

Nightwing is seeking an Information Systems Security Engineer (ISSE) to support a government customer in the Dulles, VA area. You will collaborate with software developers and engineers to provide secure application development and O&M for sponsor mission-critical systems.

You will prepare A&A documents, ensure compliance with IA programs, RMF and NIST, and implement security controls across federal information systems. TS/SCI with polygraph is required Day 1.

Qualifications

• Bachelor’s degree in a related discipline as listed.
• 8+ years of experience in federal cybersecurity or government IT.
• Experience supporting 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 with vulnerability scanners (Nessus, AppDetective, WebInspect).
• Experience with Sponsor’s A&A Tool.
• Experience with cyber security concepts including encryption, access control, information protection, and network security.
• Experience with AWS cloud security compliance.
• Demonstrated experience creating and validating evidence for NIST controls.
• TS/SCI with Polygraph Required Day 1

Responsibilities

• Prepare A&A documents and procedures.
• Collaborate with program ISSE and government security representatives.
• Support adherence to IA program per DCID, ICD 503 and NIST publications.
• Support design, development, implementation, and sustainment of secure government information systems.
• Work with system owners, program managers, and security teams to protect mission-critical systems.
• Engineer, implement, and maintain security controls for federal information systems per RMF and NIST.
• Develop and maintain system security documentation (SSPs, POA&Ms, architecture diagrams, monitoring artifacts).
• Evaluate emerging technologies and strengthen Sponsor’s security posture.
• Monitor security systems, analyze logs, and respond to incidents or anomalies.

Skills

A&A procedures

IA program

NIST RMF

Secure design principles

Encryption

Identity management

Access control

Technical documentation

Vulnerability scanning

A&A Tool

AWS security

NIST SP 800-53

Education

Bachelor’s Degree (Comp Eng / CS / IS / IT / Cybersecurity)

Tools

Nessus

AppDetective

WebInspect

A&A Tool

Job description

Nightwing is seeking an Information Systems Security Engineer (ISSE) to support a government customer in the Dulles, VA area. You will collaborate with software developers and engineers to provide secure application development and O&M for sponsor mission-critical systems.

You will prepare A&A documents, ensure compliance with IA programs, RMF and NIST, and implement security controls across federal information systems. TS/SCI with polygraph is required Day 1.