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Top Secret Network Engineer Jobs (NOW HIRING)

Conceras, LLC

Position Title Systems Network Engineer Location HST Clearance Requirement Active Top Secret with SCI eligibility Position Description We are seeking a skilled LAN/WAN Network Engineer to support the ...

Tenacity Solutions LLC

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Network Engineer *Active Top Secret Required*

Washington, DC · On-site

Active Top Secret with SCI eligibility Seeking an experienced Network Engineer to support the U.S. Department of the Treasury's mission-critical classified IT system that enables Treasury's national ...

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How much do top secret network engineer jobs pay per year?

As of Sep 13, 2026, the average yearly pay for top secret network engineer in the United States is $109,040.00, according to ZipRecruiter salary data. Most workers in this role earn between $89,000.00 and $133,500.00 per year, depending on experience, location, and employer.

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Infographic showing various Top Secret Network Engineer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 74% Full Time, 17% Part Time, and 8% Contract. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution, with an average salary of $109,040 per year, or $52.4 per hour.

ESGS Network Engineer, Top Secret Security Clearance Required

Belleville, IL • On-site

Next Step Systems
IT Services • 11 - 50 employees
Learn more about Next Step Systemsexternal

Full-time

Medical, Retirement, PTO

Re-posted 9 days ago

Key responsibilities

  • Provide technical guidance for directing and monitoring information systems operations.

  • Design, build, implement, and troubleshoot network systems and manage network communications including LAN, MAN, and WAN systems.

  • Interface with vendor support groups to ensure proper escalation during outages or degraded system performance.

Job description

ESGS Network Engineer, Top Secret Security Clearance Required, Belleville, IL
We are currently looking for an ESGS Network Engineer for a great opportunity in Belleville, IL. This position is 100% onsite. Qualified candidates must have an active Top Secret security clearance.
ESGS Network Engineer Responsibilities:
- Provide technical guidance for directing and monitoring information systems operations. Designs, builds, and implements network systems.
- Direct compilation of records and reports concerning network operations and maintenance.
- Troubleshoots network performance issues.
- Analyze network traffic and provide capacity planning solutions.
- Monitor and respond to complex technical control facility hardware and software problems.
- Interface with vendor support service groups to ensure proper escalation during outages or periods of degraded system performance.
- Manage the purchase, testing, installation, and support of network communications, including LAN/MAN/WAN systems.
- Perform system-level design and configuration of products including determination of hardware, OS, and other platform specifications.
- Plan large-scale systems projects through vendor comparison and cost studies.
- Perform a variety of systems engineering tasks and activities that are broad in nature and are concerned with major systems design, integration, and implementation, including personnel, hardware, software, budgetary, and support facilities and/or equipment.
- Provide quality assurance review and the evaluation of new and existing software products.
ESGS Network Engineer Qualifications:
- At least 3 years of experience is required.
- At least one of the following certifications is required: Cisco Certified Network Associate (CCNA), CompTIA Network+, or Cisco Certified Design Associate (CCDA).
- Top Secret security clearance is required for this position.
Benefits include medical insurance, retirement plan, PTO, etc. Salary: 80K+ DOE. Keywords: Belleville IL Jobs, ESGS Network Engineer, Network Operations, Local Area Network, LAN, Wide-Area Network, WAN, Metropolitan Area Network, MAN, Capacity Planning, Support, Network Communications, Networking, Top Secret, Security Clearance, Illinois Recruiters, IT Jobs, Illinois Recruiting
Looking to hire for similar positions in Belleville, IL or in other cities? Our IT recruiting agencies and staffing companies can help.
We help companies that are looking to hire ESGS Network Engineers for jobs in Belleville, Illinois and in other cities too. Please contact our IT recruiting agencies and IT staffing companies today! Phone 630-428-0600 ext. 11 or email us at jobs@nextstepsystems.com. Click here to submit your resume for this job and others.
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