Systems Administrator / Service Desk

Amentum

Ellicott City (MD)

On-site

USD 85,000 - 110,000

Full time

14 days+
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Job summary

Amentum is seeking an experienced IT Systems Administrator to maintain smooth operation of multi-user computer systems and support Windows and Linux environments on-site in Maryland. You will monitor resources, perform security administration, install and configure software, and document system configurations.

Expect Tier 1–2 user support and collaboration with engineering teams. The role requires 4+ years in enterprise IT, VMware VDI, Active Directory, and ticketing tools such as Jira or

Qualifications

  • 4+ years of experience in an enterprise IT environment performing systems administration and/or end-user support.
  • Experience imaging and deploying Windows servers and/or workstations.
  • Strong troubleshooting experience in Windows environments.
  • Experience with Virtual Desktop Infrastructure (VDI), specifically VMware.
  • Experience administering enterprise systems using Active Directory and related administrative tools.
  • Ability to create clear technical documentation and diagrams.
  • Strong communication skills and customer-focused troubleshooting ability.
  • Experience with ticketing systems (Jira, ServiceNow, etc.).
  • Experience working within classified enterprise networks.
  • Team-oriented mindset with the ability to collaborate technically with peers.
  • Required IAT Certs: one or more of the following: Security+, SecurityX (CASP+), or CISSP.
  • Required Vendor Cert: one or more of the following: Microsoft, VMWare, Cisco, Netapp, Pure Storage, HP, Dell, Linux+, RedHat. If not currently achieved, then must achieve within 6 months of hire

Responsibilities

  • Maintain smooth operation of multi-user computer systems in coordination with systems and network engineering teams.
  • Monitor and manage system resources (CPU, disk, memory, response times) to ensure optimal performance.
  • Perform systems security administration, including account creation, user profile management, workstation/server imaging, and access control across multiple networks.
  • Install, configure, and maintain system-wide software; set up administrator accounts; maintain system documentation; and tune system performance.
  • Provide Tier 1–2 support to users, distinguishing isolated issues from enterprise-wide problems.
  • Support implementation, troubleshooting, and maintenance of IT systems across Windows and Linux environments.
  • Work within a JIRA ticketing environment to track incidents, collect data, analyze trends, and implement solutions.
  • Diagnose customer issues, initiate repairs or returns, and document recurring problems with recommended preventive actions.
  • Collaborate with systems and network engineers on enterprise-wide deployments and technology rollouts.
  • Install and troubleshoot workstations, thin clients, applications, printers, scanners, phones, and other IT equipment.
  • Provide backup recovery support and make recommendations for hardware/software purchases.
  • Create and maintain technical documentation, including logical and physical diagrams.

Skills

Enterprise IT
Windows Server
Linux
VDI VMware
Active Directory
Ticketing systems
Documentation
Team collaboration

Education

Bachelor's Degree

Tools

VMware
Active Directory
Jira
ServiceNow
Windows Server
Linux

Job description

Purpose and Impact:

Come be a part of an exciting and ever-changing program that provides a comprehensive range of state-of-the-art solutions and hands-on assistance in designing, implementing, managing, and sustaining operations across various network environments for our customer.


We provide an environment that fosters and supports innovation and valuing “outside-the-box” thinking to solve complex problems. There are several training opportunities for team members that want to learn new technologies and stay current with their technical skillset. We are a highly technical group and nurture growth, with a technical culture of cross-trained teammates with opportunities to develop additional skillsets.


Work Schedule:

8hrs/day, 5days per week, all onsite. Occasional Thursday evening patching (starting at 5 PM). Occasional travel will be available.


Essential Responsibilities:


  • Maintain smooth operation of multi‑user computer systems in coordination with systems and network engineering teams.

  • Monitor and manage system resources (CPU, disk, memory, response times) to ensure optimal performance.

  • Perform systems security administration, including account creation, user profile management, workstation/server imaging, and access control across multiple networks.

  • Install, configure, and maintain system‑wide software; set up administrator accounts; maintain system documentation; and tune system performance.

  • Provide Tier 1–2 support to users, distinguishing isolated issues from enterprise‑wide problems.

  • Support implementation, troubleshooting, and maintenance of IT systems across Windows and Linux environments.

  • Work within a JIRA ticketing environment to track incidents, collect data, analyze trends, and implement solutions.

  • Diagnose customer issues, initiate repairs or returns, and document recurring problems with recommended preventive actions.

  • Collaborate with systems and network engineers on enterprise‑wide deployments and technology rollouts.

  • Install and troubleshoot workstations, thin clients, applications, printers, scanners, phones, and other IT equipment.

  • Provide backup recovery support and make recommendations for hardware/software purchases.

  • Create and maintain technical documentation, including logical and physical diagrams.


Work Environment, Physical Demands, and Mental Demands:

Standard Work Environment


Minimum Requirements (Knowledge, Skills, and Abilities):


  • 4+ years of experience in an enterprise IT environment performing systems administration and/or end‑user support

  • Experience imaging and deploying Windows servers and/or workstations

  • Strong troubleshooting experience in Windows environments

  • Experience with Virtual Desktop Infrastructure (VDI), specifically VMware

  • Experience administering enterprise systems using Active Directory and related administrative tools

  • Ability to create clear technical documentation and diagrams

  • Strong communication skills and customer‑focused troubleshooting ability

  • Experience with ticketing systems (Jira, ServiceNow, etc.)

  • Experience working within classified enterprise networks

  • Team‑oriented mindset with the ability to collaborate technically with peers

  • Required IAT Certs: one or more of the following: Security+, SecurityX (CASP+), or CISSP

  • Required Vendor Cert: one or more of the following: Microsoft, VMWare, Cisco, Netapp, Pure Storage, HP, Dell, Linux+, RedHat. If not currently achieved, then must achieve within 6 months of hire


Security Clearance Required:


  • TS/SCI


Minimum Years of Experience:


  • 4+


Required Certifications:


  • Required IAT Certs: one or more of the following: Security+, SecurityX (CASP+), CISSP

  • Required Vendor Cert: one or more of the following: Microsoft, VMWare, Cisco, Netapp, Pure Storage, HP, Dell, Linux+, RedHat. If not currently achieved, then must achieve within 6 months of hire


Preferred Qualifications:


  • Bachelors Degree

  • Prior Military experience


This position is not designated as a safety sensitive position.


As part of our commitment to maintaining a safe and compliant work environment, Amentum is a drug-free workplace and requires all personnel to comply with company drug and alcohol policies as a condition of employment. Employment is contingent upon successful completion of the drug screening process. Please note that this may include pre-hire screening for marijuana, as well as other federally controlled substances due to Amentum’s role as a federal contractor and trusted partner to the US Government.


Other Responsibilities:

Safety

- Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self‑aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.


Quality

- Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.


Procedure Compliance

- Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job.


Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.


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