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1704 - Network Engineer III

Sigma Defense · Huntsville, Alabama, United States · 2026-07-22

Full-timeexecutive
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About this role

Sigma Defense is seeking a Network Engineer III to monitor network engineering performance and ensure system availability and reliability.
This is a contingent position that is pending award of contract. This means that the position is subject to the successful awarding of a contract and will be confirmed once the contract is finalized. The candidate selected for this role will be offered the position on the condition that the contract is awarded to our organization.
Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
Requirements
4+ years of experience as a network engineer within the DoW environment.
Experience Substitution: 1 academic year at an accredited college or university in an an accredited preferred degree related post-secondary program for 1 year of experience.
Army/DoW experience in integration, vehicle integration, and vehicle maintenance programs is preferred.
Must be a U.S. citizen.
Personnel Clearance Level:
Candidate must possess or have the ability to obtain an active Secret security clearance or higher.
A clearance will not be sponsored.
Education Requirements:
High School Diploma (or equivalent) is required.
Essential Job Duties (not all-inclusive):
Configure and install various network devices and services (e.g., routers, switches, firewalls, load balancers, VPN, QoS).
Perform network maintenance and system upgrades including service packs, patches, hot fixes, and security configurations.
Monitor system resource utilization, trending, and capacity planning.
Work within established configuration and change management policies to ensure awareness, approval, and success of changes made to the network infrastructure.
Liaise with vendors and other IT personnel for problem resolution.
Monitor network engineering performance and ensure system availability and reliability.
Salary Range: $90,000 - $130,000 annually.
Benefits
Dental and Vision Insurance
Medical Insurance to Include HSA, FSA, and DFSA Plans
Life and AD&D coverage
Employee Assistance Program (EAP)
401(k) Plan with Company Matching Contributions
160 Hours of Paid Time Off (PTO)
12 (Floating) Holidays
Educational Assistance
Highly Competitive Salary

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