2,100,493open jobs
129,309companies
242,356added this week
Browse all
Salary
≈ $97k – $185k per year (Estimated)
Location
In office (Arlington)
Seniority
Senior · 5+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 4, 2026. First seen by Alion on Oct 30, 2026. CAE scores B on the Alion truth index.

Overview
Company
Impact
Profile match

CAE

CAE is a global high-technology company specializing in advanced simulation, flight training, and operational support solutions for the civil aviation, defense, and security sectors. Headquartered in Canada, the enterprise manufactures full-flight simulators and operates an extensive worldwide network of training centers for commercial pilots, cabin crews, and maintenance professionals.

Who We Are:

  • CAE Vision: Our vision is to be the worldwide partner of choice in defense and security, and civil aviation by revolutionizing our customers’ training and critical operations with digitally immersive solutions to elevate safety, efficiency and readiness.
  • CAE Defense & Security Mission: CAE's Defense and Security business unit focuses on helping prepare military customers to develop and maintain the highest levels of mission readiness.
  • CAE Values: Empowerment, Innovation, Excellence, Integrity and OneCAE make us who we are and we strive to make a difference in the world while helping each other succeed.

What We Have to Offer:

  • Comprehensive and competitive benefits package and flexibility that promotes work-life balance
  • A work environment where all employees are valued, respected and safe
  • Freedom to succeed by enabling team members to deliver, take initiatives and make decisions
  • Recognition, professional development, advancement and having fun!

Summary

We are seeking a mission-focused Senior System Administrator to support IT operations, advanced technical support and cybersecurity readiness in a defense contracting environment. The successful candidate will demonstrate expert proficiency in both Microsoft Windows and Linux systems administration, including hardening, deployment, configuration, maintenance, and patch management aligned with DoD cybersecurity requirements. This role directly supports compliance with DoDI 8510.01 (RMF), NIST 800-53, and applicable DISA STIG requirements.

Essential Duties and Responsibilities

Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

Responsibilities will include supporting all aspects of building, documenting, and maintaining mixed (combination of both Windows and Linux) closed room infrastructures and setup and management of software development environments. In addition to supporting engineers and continuously solving problems you will create, test, update and execute automated and semi-automated procedures for configuring all the components of our systems both in-house and at our customer sites.

· Linux System Administration

· Windows System Administration

· VMWare Administration

· Network Administration

· Infrastructure setup and maintenance

  • Development of Automated system deployment capabilities

· Supports and monitors infrastructure hardware systems, operating systems and infrastructure applications to ensure reliability and availability of infrastructure services.

  • Contributes and makes recommendations on the lifecycle of Infrastructure technologies
  • Answers technical questions

Qualifications and Education Requirements

A dedicated senior professional with multidisciplinary experience in cyber security and system administration.

  • A BS/BA in an engineering, computer science, or information technology discipline, Master’s degree or above preferred.
  • Minimum of 5 years of related experience.
  • Linux System Administration
  • Windows System Administration
  • Windows Server System Administration
  • VMWare Administration
  • Network Administration
  • Knowledge of hardware and expertise in command line tools.
  • Event, audit, and syslog analysis.
  • Knowledge of TCP/IP networking. Experience with managed switch and router setup.
  • Experience with scripting languages such as bash, csh, Python, and Powershell.
  • Advanced problem-solving skills.
  • Attention to detail and strong communications skills to effectively interact with peers, project vendors and other teams.
  • Ability to obtain and maintain a CompTIA Security + Certification
  • DoD Secret Clearance is required
  • Due to U.S. Government contract requirements, only U.S. citizens are eligible for this role.
  • Compliance with DoD 8140.03 (such as CISSP, Security + and an OS Certification).

Preferred Skills

Prefer candidates who already have an active DoD security clearance. Prefer candidates who already have active CompTIA Security + certification or equivalent.

· An advanced degree in an engineering, computer science, or information technology discipline is preferred

· Strong Windows Server System setup and administration.

· Windows/Linux integration: File Sharing, authentication.

· Experience with Domain Controller setup and creation, management, update, and deployment of Group Policy Objects.

· Configure, manage, and monitor storage systems (NAS, SAN, NFS etc).

· 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.

· Experience with Configuration Management (GitHub experience desired).

· Setup and management of Centralized Auditing.

· Setup and management of centralized patching (such as WSUS).

· Experience with System hardening (Implementation of the Security Technical Implementation Guides (STIG)).

· Experience with vulnerability scanners such as ACAS/Nessus and SCAP.

· Experience with version control tools such as ClearCase, Git, Bitbucket.

· Experience supporting DoD or classified systems.

· Familiarity with SIEM tools (e.g., Splunk, SolarWinds SEM).

· Relevant certifications: RHCSA, Windows Server Hybrid Administrator Associate, Certified Information System Security Professional (CISSP) and Security+

Security Responsibilities

Must comply with all company security and data protection / usage policies and procedures. Personally responsible for proper marking and handling of all information and materials, in any form. Shall not divulge any information, or afford access, to other employees not having a need-to-know. Shall not divulge information outside company without management approval. All government and proprietary information will be accessed and stored electronically on company provided resources.

  • DoD Secret Clearance is required

Due to U.S. Government contract requirements, only U.S. citizens are eligible for this role.

Work Environment

The job is performed in an office environment, often in secure closed areas. Job requires use of normal office equipment and occasional access to rack mounted hardware. Domestic and international travel up to 50% of the year may be required.

Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.

· Ability to work in standard office environment

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for their job. Duties, responsibilities, and activities may change at any time with or without notice.

CAE USA Inc. is an equal opportunity employer, and all qualified applicants will be considered for employment without regard to any protected characteristic, including disability and protected veteran status, as defined under federal, state, or local laws.

Applicants needing reasonable accommodations should contact their recruiter at any point in the recruitment process. If you need assistance to submit your application because of incompatible assistive technology or a disability, please contact us at [email protected]

About CAE

At CAE, our mission is clear: to help make the world a safer place. For nearly 80 years, we’ve driven innovation in simulation, training, and mission readiness to support critical operations worldwide. By leveraging advanced technologies, we empower our customers to operate smarter, faster, and more sustainably. Join a purpose-driven organization where bold ideas are encouraged, collaboration drives progress, and your growth fuels our shared success.

Stay informed about recruitment scams. Learn how to identify legitimate CAE communications and avoid fraudulent offers. [Learn more →]

Position Type

Regular

Equal Opportunity Employer

CAE is an equal opportunity employer committed to providing equal employment opportunities to all applicants and employees without regard to race, color, national origin, age, religion, sex, disability status, protected veteran status, or any other characteristic protected by federal, state or local laws. At CAE, everyone is welcome to contribute to our success. Applicants needing reasonable accommodations should contact their recruiter at any point in the recruitment process. If you need assistance to submit your application because of incompatible assistive technology or a disability, please contact us at [email protected].

Data Privacy

Privacy Statement | CAE

As part of our process, we may use AI-supported tools to help review applications, with human decision-making at every step. CAE thanks all applicants for their interest. However, only those whose background and experience match the requirements of the role will be contacted.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,100,493 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

DevOps
Similar stack
Same company
Arlington
In office · Secret · Full-Time · High School Diploma · Redstone Arsenal
PowerShell
Bash
Databases
PostgreSQL
MS SQL
DevOps
Terraform
Ansible
Red Hat
OpenShift
Helm
VMWare
Kustomize
CI/CD
GitOps
Windows Server
ArgoCD
Git
Kubernetes
Platform Engineering
Configuration Management
GitLab
Linux
Windows
DNS
Cybersecurity
Least Privilege
Active Directory
LDAP
PKI
Management
Confluence
Jira
Apply
In office · Full-Time · 5+ years exp · Bachelor's Degree · Phoenix · Irving
PowerShell
AI/ML
Copilot
DevOps
Terraform
Azure
AWS
Windows
Cybersecurity
CIS Benchmarks
Least Privilege
Active Directory
Management
SharePoint
Apply
$92k – $164k per year · Remote (United States) · 4+ years exp · Bachelor's Degree · Eden Prairie
AI/ML
Copilot
DevOps
HPC
Apply
In office · 12+ years exp · PhD · Houston
DevOps
Azure
Apply
Remote (United States) · Full-Time · 8+ years exp · Bachelor's Degree
DevOps
Azure
CI/CD
AWS
Configuration Management
Linux
Management
Agile
Apply
In office · Full-Time · High School Diploma · Arlington
Apply
$116k – $145k per year · Equity · In office · Nationals only · Full-Time · 7+ years exp · Bachelor's Degree · Arlington · Austin
Management
Smartsheet
Microsoft Project
Apply
≈ $129k – $240k per year (Estimated) · Remote (United States) · Nationals only · Full-Time · 5+ years exp · Bachelor's Degree · Arlington · Pittsburgh · San Francisco
Python
JavaScript
SQL
Ruby
C#
C++
Databases
PostgreSQL
Redis
Apache Kafka
Frontend
React.js
DevOps
CI/CD
Management
Agile
Apply
$150k – $254k per year · In office · Full-Time · Boston · Arlington
Apply
$130k – $216k per year · In office · Public Trust · Full-Time · 6+ years exp · Bachelor's Degree · Arlington · San Antonio · McLean
Python
SQL
Python
pySpark
Databases
Databricks
Delta Lake
AI/ML
Spark
DevOps
Terraform
Azure DevOps
GitHub Actions
Azure
CI/CD
Jenkins
Git
Analytics
ETL/ELT
Management
Agile
Scrum
Kanban
Apply
See all jobs
This is one of many
2,100,493 more open roles from verified company boards, updated every day.