Birchmere GroupVerified Source

ISSE Level 2 Washington DC

Onsite · Washington, District of Columbia
Posted July 24, 2026
payroll

Overview

Lead technical security assessments for computing environments to identify vulnerabilities and recommend mitigations. Design and integrate cybersecurity systems across networking computing and enclave environments. Support architects in implementing security policies and enforce trusted relationships between systems. Conduct system and network threat assessments throughout the development lifecycle. Ensure DoD RMF and NIST RMF compliance through security planning risk analysis and certification activities. This is a Level 2 ISSE role requiring TS/SCI clearance and a poligraph.

What You'll Do11

  • 1Perform technical security assessments to identify vulnerabilities and recommend mitigations
  • 2Design and integrate cybersecurity systems for networking computing and enclave environments
  • 3Build security architectures for multi-enclave systems with varying data protection requirements
  • 4Assess and mitigate security threats throughout the system development lifecycle
  • 5Support security planning risk analysis and certification activities for government operations
  • 6Review certification documentation for completeness and compliance
  • 7Participate in security authorization activities using NISCAP and RMF frameworks
  • 8Identify overall security requirements for government data handling
  • 9Recommend system-level solutions to address security needs
  • 10Lead security engineering efforts on large-scale programs with ISSE experience
  • 11Collaborate with customers and project teams to enforce trusted relationships

Requirements8

  • 1Twelve (12) years experience as an ISSE on similar scope contracts including recent cybersecurity work
  • 2Bachelor’s degree in Computer Science Information Assurance or related field
  • 3DoD 8570 compliance with IASAE Level 2
  • 4CPC Card certification
  • 5BCBA certification
  • 65+ years building ETL pipelines with Spark and Airflow
  • 7Experience with Kubernetes and AWS
  • 8Polygraph clearance requirement

Salary Insight

Salary not disclosed in listing

Location

Typeonsite
LocationWashington, District of Columbia

Required Skills

TS/SCI Clearance with PolygraphCybersecurity principlesAccess/controlAuthorizationIdentification and authenticationPKINetwork and enterprise security architectureDoD 8570 compliance IASAE Level 2ISSEP CertificationCISSP CertificationRisk analysisRisk management
Share:

Similar open positions

Explore active roles that match your skills and interests.

AT&T

AT&T

5d agoWashington, District of Columbiapayroll

ISSE I (Government) - Secure Cloud Solutions Engineer

The ISSE I leads secure information systems and enclave environments at AT&T's Washington DC facility. This role focuses on high-performance computing and network security ensuring mission-critical systems meet strict government standards. You will partner with architects to design secure solutions and manage risk across the system lifecycle.

98K–176K
Risk Management Framework (RMF)LATTEARTXACTA+5 more

Redhorse Corporation

1d agoWashington, District of Columbiapayroll

Principal ISSE - TS/SCI with FS Poly Clearance

You will own security engineering for Redhorse Corporation, a firm delivering data and technology solutions to U.S. national interests. As a recognized authority, you will tackle complex technical problems and lead business capture through capability briefings. You will design and research advanced applications that shape Redhorse's digital transformation, working with NIST frameworks and DIACAP to secure sensitive systems. This role stands out for its blend of hands-on security engineering and strategic business development impact.

160K–185K
awsazuregoogle cloud+2 more

GD Information Technology, Inc.

5d agoWashington, District of Columbiapayroll

ISSE Engineer TS/SCI Polygraph | GDIT Washington DC

You will lead Assessment and Authorization (A&A) for systems protecting national security missions, coordinating with ISSMs and SCAs to achieve ATOs. You will document security implementations within the Risk Management Framework (RMF) and gather artifacts supporting ICD 503 compliance. Working on customer site in Washington DC, you will navigate the A&A process for primary and secondary systems. This role stands out for its direct impact on agency operations and collaboration across engineering and security teams.

164K–213K
Information AssuranceInformation System SecurityRisk Assessments
02 CACI, INC.-FEDERAL

02 CACI, INC.-FEDERAL

12d agoWashington, District of Columbiapayroll

Information Systems Security Engineer (ISSE) at CACI

We seek a motivated ISSE to support security accreditation and continuous monitoring of classified mission-critical systems. This role integrates security across the SDLC and ensures compliance with evolving cybersecurity requirements. Candidates will collaborate with cross-functional teams to design secure solutions and influence future system architectures.

73K–149K
Linux AdministrationDISA STIG

Nyla Technology Solutions

1d agoWashington, District of Columbiapayroll

Senior Information Systems Security Engineer

You will own technical security assessments and engineer IA solutions across multi-enclave environments at TS/SCI polygraph level. You will architect, integrate, and deploy security functionality into networking and computing components, ensuring compliance with RMF and NIST standards. Working with architects and developers, you will embed security throughout the engineering lifecycle. This role stands out for hands-on system building, not just audits, within a top-tier compensation package.

Competitive salary
rmfnistcots+2 more
1805 KBR Wyle Services, LLC

1805 KBR Wyle Services, LLC

1d agoWashington, District of Columbiapayroll

Senior Information System Security Officer (ISSO)

Lead cybersecurity approval and compliance processes while supporting system owners and project managers. Review technical architectures and integrate security requirements throughout the system lifecycle. Ensure cybersecurity compliance and provide guidance to engineers and non-technical partners.

Competitive salary
pythonawsreact+2 more