Senior Systems Engineer, Classified Network Security

Trusted Concepts, Inc.; Herndon (VA); On-site; USD 150,000 - 200,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Life and disability insurance

Retirement benefits

Paid leave

Tuition assistance

Job summary

Two Six Technologies is seeking a Senior System Engineer to join the Corporate Security team. You will engineer, administer, and maintain the classified network, leveraging Windows, Linux, and virtualization to keep critical systems resilient.

The ideal candidate has 5+ years of IC network experience, a relevant degree or certs, and an active TS/SCI w/Poly clearance. You will collaborate across teams, manage backups, and provide on‑call support in a fast‑paced environment.

Qualifications

• 5+ years supporting an IC community classified network (e.g., JWICS).
• Bachelor’s degree in Cybersecurity, Computer Science, Information Security, or related field, or equivalent certs/experience.
• 8140 certifications such as Security+, GCISP, GSEC, SSCP, CASP+, CISM, CISSP, CCNA, etc.

Responsibilities

• Engineering and maintaining networks for classified and unclassified use.
• Install, configure, administer and maintain Windows and Linux servers and workstations.
• Manage user accounts and access control and enforce security policies.
• Troubleshoot and resolve technical issues.
• Perform system backups and data recovery.
• On-call support for outages as needed.

Skills

IC classified network experience

Five years experience

Analytical thinking

Attention to detail

Communication skills

Education

Bachelor's degree in Cybersecurity/CS/Info Security

Tools

ServiceNow

Talon

Job description

Two Six Technologies is seeking a Senior System Engineer to join the Corporate Security team. You will engineer, administer, and maintain the classified network, leveraging Windows, Linux, and virtualization to keep critical systems resilient.

The ideal candidate has 5+ years of IC network experience, a relevant degree or certs, and an active TS/SCI w/Poly clearance. You will collaborate across teams, manage backups, and provide on‑call support in a fast‑paced environment.