Help Desk Network Administrator

1669 - Help Desk Network Administrator

Sigma Defense · Indian Springs, United States · Full-time · Posted 2026-11-10

Salary: USD 90,000–120,000

Workplace: on_site

Department: SIS (SDSAFP, SDSAP)

Description

Sigma Defense is seeking a Help Desk Network Administrator to join our team at Creech AFB! The hired candidate will support the Air Force in the operation and maintenance of the MQ-9 communications system, global network architectures to include the Aircraft Control Network (ACN), Sensor Product Dissemination Network (SPDN), Squadron Operations Centers (SOCs) ancillary systems, and relay site communication. The Network Admin will support all MQ-9 stakeholders including ACC, ANG, AFSOC, SOCOM, USMC, ADC, and other external agencies. 

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

• 3-5 years of Network Administration experience in a Help Desk environment.
• Security+, CCNA, or equivalent certification.
• Experience in network administration helpdesk is preferred.
• Prior military service is desirable. 
• Ability to explain complex technical issues, provide step-by-step instructions, and document tickets/fix actions/summaries clearly. 
• Ability to remain calm to de-escalate difficult situations. 
• Ability to work effectively with team members to resolve issues. 
• Ability to lift, carry, and install equipment weighing about 30 lbs., heavier equipment as needed with team lift.  
• Must be a U.S. citizen.

Personnel Clearance Level:

• Candidate must possess or have the ability to obtain an active TS/SCI security clearance.
• Clearance may be sponsored for the right candidate.

Essential Job Responsibilities (not all-inclusive):

• Perform troubleshooting and elevate more complex issues. 
• Act as the focal point for updating edge network devices and software in support of next generation remote split operations. 
• Responsible for supporting a 24/7 support desk and will be responsible for receiving, creating tickets, and documenting issues received from local and remote customers.
• In-depth comprehension of BGP, EIGRP, and OSPF protocols; layer 2 switching, multicast routing, DMVPN, and IPSec.
• Monitor network for performance and integrity.
• Perform network end device and system configuration changes in support of flying schedule.
• Configure, maintain, and troubleshoot network devices.
• Provide 24/7/365 Tier 2 Help Desk support in a shift work environment.
• Ability to conduct in-depth log analysis and root cause isolation.
• Ability to troubleshoot layer 2 switching and layer 3 routing issues.
• Monitor and troubleshoot multicast.
• Monitor and understand firewall rulesets.
• Support development and testing of network configurations.
• Input and maintain a ticketing database.
• Document activities into a master station log.
• Troubleshoot Circuit to Packet (CTP) communications.
• Install and maintain local network and server suite and test environment.
• Interface with C-NOC engineers and end users.
• Maintain complete technical documentation including network diagrams, IP schemes, etc.
• Suggest improvements to network performance, capacity, and scalability.

Salary Range: $90,000 - $120,000 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

Apply

Apply at Sigma Defense

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