Network Administrator

MANTECH•Fallon, NV

19d•$89,100 - $148,200•Onsite

About The Position

MANTECH seeks a motivated, career- and customer-oriented Network Administrator to join its team at Naval Air Station (NAS) Fallon, Nevada. This onsite role serves as a technical expert managing system software, hardware, and complex network infrastructure, ensuring interoperability of voice, video, and data services across multiple platforms. The position requires travel up to 25% to support training events, exercises, and technical exchanges. A current or active TS/SCI clearance is required.

Requirements

Bachelor's degree in Information Technology, Information Technology Security, or a relevant technical discipline, with at least 5 years of relevant IT experience; alternatively, a bachelor's degree in a non-related field with at least 6 years of relevant IT experience.
At least 2 years of experience working in a sustainment environment, such as maintenance, troubleshooting, and STIGs.
Experience driving account lifecycle management aligned with NIST AC-2 and performing RMF administrative cyber functions using privileged accounts per NIST AC-5.
DoD 8570 IAT Level II certification, such as Security+ CE, SecurityX/CASP, or CISSP.
Current or active TS/SCI clearance.

Nice To Haves

Experience with unclassified and classified networks and Type 1 encryption devices.
Knowledge and experience with PowerShell and command-line scripting.
Experience installing, configuring, supporting, and training users on customized system solutions, including Dell PowerEdge and Cisco network equipment.
Experience managing DoD Host-Based Security Systems (HBSS).

Responsibilities

Serve as the technical expert and network/system administrator for system software, hardware, and infrastructure services.
Provide Tier 1–3 technical support by identifying problems, researching them, guiding users through corrective steps, and resolving issues.
Maintain and enforce policies, procedures, IT standards, and associated plans for system security administration and user system access.
Resolve complex IT and network problems to ensure interoperability of voice, video, and data services across multiple platforms.
Configure network equipment and subsystems and manage sustainment tickets in a timely manner.
Continuously monitor and update systems to comply with federal security frameworks, including FISMA, FedRAMP, and DoD regulations; manage vulnerabilities and apply security patches.
Run diagnostics to resolve customer-reported issues, document customer interactions, and follow up to ensure complete resolution.
Recommend inputs to technical documentation, including engineering test procedures, installation instructions, technical directives, and bulletins.
Travel up to 25% to support training events, exercises, and technical exchanges.