Enterprise Systems Administrator MDX - SSFB/HSV

Amentum Holdings, Inc.; Colorado Springs (CO); On-site; USD 90,000 - 110,000; Full time

Benefits offered by this job

Health Insurance

Dental/Vision Insurance

401(k) Matching

Educational Reimbursement

Parental Leave

Employee Stock Purchase Plan

Tax-Saving Options

Disability Insurance

Pet Insurance

Job summary

Amentum seeks an Enterprise Systems Administrator to join the Missile Defense Division. You will administer Windows Server environments, manage hybrid-cloud and SaaS platforms, and support Kubernetes workloads with strong focus on security and STIG compliance.

The role requires DoD 8570/8140 Level II certification, DoD Secret clearance, and experience with PowerShell, Ansible, Terraform, Azure/AWS, and container technologies. On-site work at Schriever AFB or Redstone Arsenal with day shifts.

Qualifications

• 1+ year of directly related experience.
• Experience administering Windows Server environments (2022/2025).
• Experience implementing defined cybersecurity controls and STIG compliance.
• Familiar with Kubernetes concepts: deployments, namespaces, RBAC, config management, monitoring.
• Familiar with cloud-hosted/SaaS environments: monitoring, IAM, incident coordination.
• Strong troubleshooting, documentation, communication, and teamwork skills.
• DoD 8570/8140 Level II certification (e.g., Security+).
• Active DoD Secret clearance.

Responsibilities

• Administer Windows Server environments (2022/2025) and related enterprise apps.
• Perform OS and application maintenance, patching, and STIG compliance.
• Manage hybrid-cloud/SaaS environments, including IAM and monitoring.
• Deploy and troubleshoot containerized apps and Kubernetes workloads.
• Automate deployments using PowerShell, Ansible, Terraform.
• Monitor systems daily for availability, performance, and security.

Skills

Windows Server administration

Kubernetes concepts

Cloud environments (Azure/AWS)

Scripting automation (PowerShell)

DoD 8570/8140 Level II certified

Tools

PowerShell

Terraform

Ansible

Docker / container tech

Kubernetes

Job description

Position Title: Enterprise Systems Administrator

Location: Schriever Space Force Base, Colorado Springs, CO or Redstone Arsenal, Huntsville, AL

Relocation Assistance: None available at this time

Remote/Telework: NO - Not available for this position

Clearance Type: DoW Secret

Shift: Day shift

Travel Required: Up to 10% of the time

Description of Duties

The Enterprise Systems Administrator is part of Amentum’s Missile Defense Division and directly supports the Missile Defense Agency (MDA). The candidate will:

• Administer, maintain, and troubleshoot Windows Server environments, including Windows Server 2022 and Windows Server 2025, supporting enterprise applications and infrastructure services.
• Perform operating system and application maintenance; account and access management; patching; vulnerability remediation; Security Technical Implementation Guide (STIG) compliance; configuration management; and general systems administration.
• Support virtualized, hybrid-cloud, and Software as a Service (SaaS) environments, including tenant administration, identity and access management, service configuration, monitoring, incident response, and vendor coordination as applicable.
• Deploy, configure, maintain, and troubleshoot containerized applications using approved container technologies and registries.
• Support Kubernetes-based platforms and workloads, including application deployments, namespaces, role-based access control, configuration and secret management, monitoring, troubleshooting, and patching.
• Support Windows and Linux container workloads in accordance with approved security, operational, and availability requirements.
• Assist with automation and repeatable deployment processes using PowerShell, Desired State Configuration, Ansible, Terraform, or equivalent approved tools.
• Perform daily monitoring to verify the availability, integrity, performance, and security posture of systems, applications, containers, and associated infrastructure.
• Respond to incidents, service requests, and user-support requirements across multiple platforms; document troubleshooting, corrective actions, and lessons learned.
• Maintain technical documentation, standard operating procedures, configuration baselines, system diagrams, and recovery procedures.
• Coordinate with cybersecurity, network, cloud, application-development, and service-delivery teams to resolve technical issues and support mission requirements.
• Participate in maintenance windows and provide occasional after-hours support.
• Perform other duties in support of the Service Delivery Team.

Basic Requirements

• Must have 1, or more, year of directly related experience
• Must have experience administering and maintaining Microsoft Windows Server environments, preferably including Windows Server 2022 and/or Windows Server 2025.
• Must have experience implementing defined cybersecurity controls, vulnerability remediation, system hardening, and Security Technical Implementation Guide (STIG) compliance activities.
• Must be familiar with Kubernetes concepts, including deployments, services, namespaces, role-based access control, configuration management, monitoring, and troubleshooting.
• Must be familiar with supporting cloud-hosted or Software as a Service (SaaS) applications, including service monitoring, tenant administration, access management, and incident coordination.
• Must have strong troubleshooting, technical documentation, customer-support, communication, and teamwork skills.
• Must be able to adapt to changing priorities and learn emerging technologies.
• Must have experience supporting Microsoft Azure, Amazon Web Services (AWS), or hybrid-cloud environments.
• Must have experience with scripting and automation, preferably PowerShell; familiarity with Python, Bash, Ansible, Terraform, or equivalent tools.
• Must have experience establishing, maintaining, and following documented technical processes and procedures.
• Must have an approved DoD 8570/8140-aligned Level II certification, such as CompTIA Security+ CE or higher, as required by the contract.
• Must have an active DoW Secret Security Clearance

Desired Requirements

• Have 1, or more, relevant technical certifications in Microsoft Windows Server, Azure, AWS, Kubernetes, containers, virtualization, or automation.
• Experience with BMC Helix/Remedy or comparable IT service-management tools.
• Experience supporting Microsoft Azure, Amazon Web Services (AWS), or hybrid-cloud environments.
• Experience administering or supporting Kubernetes platforms, such as Azure Kubernetes Service, Red Hat OpenShift, Rancher, or comparable enterprise Kubernetes distributions.
• Experience supporting Windows and/or Linux containers in enterprise environments.
• Experience with scripting and automation, preferably PowerShell; familiarity with Python, Bash, Ansible, Terraform, or equivalent tools.
• Experience supporting Infrastructure as Code, configuration management, automated deployments, continuous integration/continuous delivery pipelines, source control, or artifact repositories.
• Experience administering or supporting Microsoft 365, Microsoft Entra ID, or comparable enterprise SaaS platforms.
• Experience with BMC Helix/Remedy or comparable IT service-management tools.
• Experience establishing, maintaining, and following documented technical processes and procedures.
• Relevant technical certifications in Microsoft Windows Server, Azure, AWS, Kubernetes, containers, virtualization, or automation.

This position will be posted for a minimum of 3 days. If a candidate has not been selected at that time, it will continue to be posted until a suitable candidate is selected or the position is closed.

Compensation Details

$90,000 – $110,000

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

10/30/2026 - 11/10/2026

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.