IT Systems Administrator I

CAE•Arlington, TX

1d•Onsite

About The Position

CAE is seeking a mission-focused systems administrator to support IT operations, advanced technical support, and cybersecurity readiness in a defense contracting environment. The position supports the design, documentation, and maintenance of mixed Windows and Linux infrastructure in closed-room environments, as well as setup and management of software development environments. It involves supporting engineers and creating, testing, updating, and executing automated and semi-automated procedures to configure systems in-house and at customer sites. The role supports infrastructure hardware, operating systems, and applications to ensure reliable and available services, contributes recommendations on infrastructure technology lifecycles, and answers technical questions. The job description also emphasizes system hardening, deployment, configuration, maintenance, and patch management in alignment with DoD cybersecurity requirements, including DoDI 8510.01 (RMF), NIST 800-53, and applicable DISA STIG requirements. The position is performed in an office environment, often in secure closed areas, with occasional access to rack-mounted hardware. Domestic and international travel of up to 50% may be required. The employee must comply with company security and data-protection policies, handle information appropriately, and be eligible for a DoD Personal Security Clearance. U.S. citizenship is required due to U.S. Government contract requirements.

Requirements

Bachelor’s degree in engineering, computer science, or information technology, or a related discipline.
At least 5 years of related experience.
Experience in Linux system administration, Windows system administration, Windows Server system administration, VMware administration, and network administration.
Knowledge of hardware and proficiency with command-line tools.
Experience with event, audit, and syslog analysis.
Knowledge of TCP/IP networking and experience setting up managed switches and routers.
Experience with scripting languages such as bash, csh, Python, and PowerShell.
Advanced problem-solving skills.
Attention to detail and strong communication skills for interacting with peers, project vendors, and other teams.
Ability to obtain and maintain CompTIA Security+ certification.
Ability to obtain and maintain a DoD Secret Clearance; incumbent must be eligible for DoD Personal Security Clearance.
U.S. citizenship is required due to U.S. Government contract requirements.
Compliance with DoD 8140.03 requirements, such as CISSP, Security+, and an operating-system certification.

Nice To Haves

An advanced degree in engineering, computer science, or information technology.
An active DoD security clearance.
An active CompTIA Security+ certification or equivalent.
Strong Windows Server setup and administration skills.
Windows/Linux integration experience, including file sharing and authentication.
Experience setting up domain controllers and creating, managing, updating, and deploying Group Policy Objects.
Experience configuring, managing, and monitoring storage systems such as NAS, SAN, and NFS.
Experience configuring Cisco routers and switches.
Experience configuring HP/Aruba routers and switches.
Experience configuring Juniper switches.
Experience with custom automated operating-system deployment, such as Windows Deployment Toolkit.
Configuration-management experience; GitHub experience is desired.
Experience setting up and managing centralized auditing.
Experience setting up and managing centralized patching, such as WSUS.
Experience with system hardening and implementing Security Technical Implementation Guides (STIGs).
Experience with vulnerability scanners such as ACAS/Nessus and SCAP.
Experience with version-control tools such as ClearCase, Git, and Bitbucket.
Experience supporting DoD or classified systems.
Familiarity with SIEM tools such as Splunk and SolarWinds SEM.
Relevant certifications such as RHCSA, Windows Server Hybrid Administrator Associate, CISSP, and Security+.

Responsibilities

Build, document, and maintain mixed Windows and Linux closed-room infrastructures.
Set up and manage software development environments.
Support engineers and provide ongoing technical problem-solving.
Create, test, update, and execute automated and semi-automated procedures for configuring system components in-house and at customer sites.
Perform Linux system administration.
Perform Windows and Windows Server system administration.
Administer VMware environments.
Perform network administration.
Set up and maintain infrastructure.
Develop automated system deployment capabilities.
Support and monitor infrastructure hardware, operating systems, and infrastructure applications to ensure service reliability and availability.
Contribute recommendations regarding the lifecycle of infrastructure technologies.
Answer technical questions.
Comply with company security and data-protection policies and procedures, including proper marking and handling of information and materials and restricting access to personnel with a need to know.
Access and store government and proprietary information electronically on company-provided resources.