Information Systems Security Manager (ISSM) – Senior

Contact Government Services, LLC

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Washington, DC on site Until 8/21/2026 First posted April 22, 2026 Last posted April 22, 2026
Job description
Information Systems Security Manager (ISSM) – Senior 
 

Work Location: Washington, DC 

Employment Type: Full-Time, Senior-Level 

Department: Administrative and Logistics Support 

CGS is seeking a skilled Information Systems Security Manager (ISSM) – Senior to support mission-critical operations for a federal client. 

Skills and attributes for success: 

  • Oversee cybersecurity and system security compliance across mission systems. 

  • Collaborate with cross‑functional teams and stakeholders. 

  • Analyze operational challenges and recommend improvements. 

  • Develop documentation, reports, and deliverables supporting mission objectives. 

  • Support continuous improvement, compliance, and operational efficiency. 

Qualifications: 

Minimum of Over 10 years of relevant experience. 

Active DoD Top Secret/SCI. 

 
Our Commitment: 
 
Contact Government Services (CGS) strives to simplify and enhance government bureaucracy through the optimization of human, technical, and financial resources. We combine cutting-edge technology with world-class personnel to deliver customized solutions that fit our client’s specific needs. We are committed to solving the most challenging and dynamic problems. 
 
For the past seven years, we’ve been growing our government-contracting portfolio, and along the way, we’ve created valuable partnerships by demonstrating a commitment to honesty, professionalism, and quality work. 
 
Here at CGS we value honesty through hard work and self-awareness, professionalism in all we do, and to deliver the best quality to our consumers mending those relations for years to come. 
 
We care about our employees. Therefore, we offer a comprehensive benefits package. 
 
Health, Dental, and Vision 
Life Insurance 
401k 
Flexible Spending Account (Health, Dependent Care, and Commuter) 
Paid Time Off and Observance of State/Federal Holidays 
 
Contact Government Services, LLC is an Equal Opportunity Employer. Applicants will be considered without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. 
 
Join our team and become part of government innovation! 
 
Explore additional job opportunities with CGS on our Job Board: 
https://cgsfederal.com/join-our-team/ 
 
For more information about CGS please visit: https://www.cgsfederal.com or contact: 
Email: [email protected] 
 
#CJ 

Compensation (from employer):
66000–133000 USD per year

About this role

Summary

Oversee cybersecurity, develop documentation, support compliance and operational efficiency for mission systems.

Job title

Information Systems Security Manager (ISSM) – Senior

Experience level

over 10 years

Industry

government

Location requirements

Washington, DC, no remote work allowed

Salary

66000–133000 USD per year

Management role

Yes

Skills & keywords

Required skills

cybersecuritycompliancesystem securityactive DoD Top Secret/SCI

Preferred skills

None specified

Specializations

security compliancesystem securitycybersecuritymission systems
Locations

Structured locations inferred from the posting.

Washington, DC, USA

On-site City