IT Network Administrator

Amentum is seeking IT Network Administrators to provide support to our DHS customers worldwide.

We are pipelining candidates for future roles in Chicago, IL and Lombard, IL.

With your fantastic attention to detail and follow-through, you will provide onsite and remote Tier 2 IT help desk support, assisting with hardware and software troubleshooting and providing video teleconferencing and remote support. With your experience with Windows operating systems including patching and updates, Active Directory, data encryption, and backup software, you will make a great addition to our team. In addition to your technical experience, you also have exceptional customer service skills and are willing to go the extra mile.  

You will report to a Team Lead and provide IT Field Operations (ITFO) support for 24x7 LANs and associated applications, peripherals, connectivity, and end-users in a Service Desk supported Tier 2 environment.  You'll rely on instructions and pre-established guidelines to perform the functions of the job while working independently and/or under immediate supervision.  

Responsibilities:

• Provide LAN administrator support with the installation, configuration and maintenance of network communication devices, servers, network storage arrays and tape backup units

• Provide support of network attached devices such as computers, printers, fax machines, biometric devices, electrocardiograms, x-ray machines, smart display, and sensors. Also provide support of mobile and wireless devices to include smartphones, tablets, and hotspots

• Assist in testing, applying, and maintaining server configurations and related security patches, as well as maintaining and checking the health of systems and backups to include restore testing

• Monitors ITSM (ServiceNow) assignment groups and applies troubleshooting needed to resolve tickets

• Conduct or provide new equipment deployments and/or requested deployment support, including installation and maintenance of video teleconferencing infrastructure

• Responsible for understanding the needs of the customers and the realities of commercially available IT products and creating requirements that will allow implementation by the architecture and engineering team and COTS products

• Participate in pre-scheduled after-hours support of weekly on-call rotation and/or as a team member supporting special projects or events

Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, collaboration and well-being are integral to success. Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents.

Minimum Requirements:

• Associate Degree, and at least 5 years of IT help desk support experience

  • Or a High school diploma/GED, and at least 8 years of IT help desk support experience

• At least 3 years of IT help desk support experience in an Enterprise environment

• At least 1 year of experience in a Lead / Supervisor technical expert role, supporting a group of 5 or more

• Hands-on experience with providing network, computer, server, device imaging/encryption, mobile, server and backup support

• Experience using the ServiceNow ticketing system (or similar ticketing system)

• Experience with the Microsoft Windows 11 operating system

• Experience with Microsoft Office365, including Microsoft Teams

• Experience with end-point management and reporting tools (SCCM, Bomgar, Zscaler, and PowerShell scripting)

• Familiarity with the ITIL process

• Good technical writing, presentation, and documentation skills

• Must be able and willing to perform physically demanding tasks, such as bending, kneeling, stretching, crawling, lifting, or moving up to 50 lbs.

• Must have a valid driver's license, access to personal transportation, and be able to pass a Motor Vehicle Records check

• Local and/or overnight travel to Government locations is required (local short notice travel to customer sites is common; extended overnight and air travel is typically less than 15% per year)

• Must be comfortable working in a Law Enforcement environment, which may consist of locations such as detention facilities, prisons, or jails

• Must be able to obtain and maintain facility credentials/authorization. Note: US Citizenship is required for facility credentials/authorization at this work location.

Preferred Qualifications:

• Experience planning and leading major technology assignments and projects

• Subject Matter Expert (SME) on the setup, configuration and administration of servers and backups

• Experience with Windows Server 2019 and Hyper-V

• Experience with InfoBlox and NetBackup

• Experience performing hardware repair of HP computers/printers and Dell servers

• Possesses and applies expertise on multiple complex work assignments which are broad in nature, requiring originality and innovation in determining how to accomplish tasks

• Experience evaluating system performance results and recommending improvements or optimizations

• ITIL v4, MCSE, A+, Security+, Network+, or other relevant certifications

       

Compensation Details:

$40.00 - $45.00

       

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:

04/20/2026 - 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.