Network Administrator II

With limited supervision, performs the network/system administration and help desk functions supporting a designated customer contract or program.

Essential Responsibilities:

• Supports the design, installation, maintenance, administration, and support of internal computer systems and networks in a multi-protocol LAN/WAN environment.
• Performs thorough configuration, monitoring, maintenance and analysis of data processing equipment, databases, and video systems.
• Installs and upgrades operating systems and other application software in a LAN/WAN client/server environment.
• Provides Help Desk support, including troubleshooting and problem resolution, for all LAN/WAN hardware and software.
• Maintains and manages connectivity using TCP/IP, IPX/SPX, NDS, NT Domain strategies and protocols.
• Maintains and manages cross platform inter-connectivity including communication protocols, directory services and log in authentication.
• Maintains and manages connectivity between multiple remote locations using WAN equipment and services.
• Maintains and manages LAN/WAN security requirements through proper software/hardware tools and procedures including router and firewall management.
• Provides end-to-end support for remote users of specialized remote control computer systems.
• Support research and contribute recommendations for products for evaluation, testing, implementation, and integration, as needed.
• Perform all other position related duties, as assigned, or requested.

Minimum Qualifications:

• Associate degree in a technical discipline or equivalent academic, military or technical training and 3 years of directly related experience on at least one of the following systems: SAN Storage, Server Blade, SQL, SharePoint, C2ISR video data, network performance software, and firewalls, or basic database administration.
• Must have an active DoD Top Secret US Government clearance with ability to obtain and maintain TS/SCI SAP/SAR. Note: US Citizenship is required to obtain a Clearance.
• Must possess thorough knowledge, and technical competence in the maintenance and management of LAN/WAN computer software and hardware and video systems.
• Must possess thorough knowledge of network topology, communication standards, protocols, data transmission technology, and routers/switches.
• Must possess excellent oral, written, and graphical communication skills.
• Must be self-directed and able to establish and meet project guidelines/timelines.
• Demonstrated experience in multi-protocol client server environments.
• Possess and maintain a DoD 8140.03 qualification matched to the Defense Cyber Workforce (DCWF) assigned duties.
• Must possess and maintain a valid state issued driver’s license.

Preferred Qualifications:

• Bachelor’s degree in information technology or related field.
• Completion of technical training courses and/or specialized certification programs, such as Cisco Certified Network Associate (CCNA).

Compensation Details: $70,000 - $73,000

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance
• Paid time off and holidays
• Retirement benefits (including 401(k) matching)
• Educational reimbursement
• Parental leave
• Employee stock purchase plan
• Tax-saving options
• Disability and life insurance
• Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting: 10/22/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.