Long applicationsign-up on iCIMS

Computer Systems Administrator I

By Light · Cybersecurity · Military · Secret · 2 months ago
Smart Apply
Similar jobs
2,288,334open jobs
145,385companies
280,019added this week
Browse all
Salary
≈ $76k – $154k per year (Estimated)
Location
In office (Butlerville)
Seniority
Junior · 2+ years exp

Confirmed on the employer's own hiring board on Nov 15, 2026. First seen by Alion on Sep 30, 2026. By Light scores A on the Alion truth index.

Overview
Company
Impact
Profile match

By Light

By Light Professional IT Services is a US defense and government technology contractor headquartered in McLean, Virginia, in the Washington area. It provides cyber operations and cyber ranges, C5ISR communications, modeling, simulation and training, IT and cloud services, and digital services to the military and federal agencies, with offices across the US and international operations based in the UK, and owns Dignitas Technologies. It hires software, DevOps, network and telecommunications engineers, cyber red team planners, field support technicians and program managers.
bylight.com · HQ: McLean, United States · IT Consulting & Digital Transformation · Digital Government · 501-1000 employees · Est. 2004
Tech stack of By Light

Company Overview

Dignitas Technologies, a By Light company, offers a wide range of services in the military modeling, simulation, and training (MS&T) industry from research efforts advancing simulation technologies to large acquisition contracts. Dignitas specializes in system and software analysis, design, development, testing, fielding, and courseware for Live, Virtual, and Constructive (LVC) training applications.

By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in McLean, VA, By Light supports defense, civilian, and commercial IT customers worldwide.

Responsibilities

  • Support administration and maintenance of computer systems and network infrastructure.
  • Administer and support Windows Enterprise and Linux server operating systems.
  • Support cloud, physical, and virtualized infrastructure environments.
  • Monitor infrastructure performance and operational readiness.
  • Configure and maintain virtualization platforms including VMware, KVM, and Xen.
  • Assist with troubleshooting system, server, and network issues.
  • Support infrastructure upgrades, maintenance, and configuration activities.
  • Maintain system documentation and operational records.
  • Coordinate with internal teams to support operational requirements.

Required Experience/Qualifications

  • Bachelor’s degree or equivalent experience.
  • Must meet DoDM 8140.03 IAT II requirements.
  • Minimum 2 years of experience working with computer systems.
  • Experience with Windows Enterprise and Linux server administration.
  • Experience supporting cloud, physical, and virtual infrastructure environments.
  • Experience with hypervisors including VMware, KVM, and Xen.
  • Strong troubleshooting, organizational, and communication skills.
  • Ability to work independently and within a team environment.

Special Requirements/Security Clearance

  • Secret clearance required
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.
2,288,334 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
Remote, many countries
Similar stack
Same company
Butlerville
$161k – $242k per year · In office · Top Secret · Full-Time · 3+ years exp · Bachelor's Degree · Manhattan Beach
SpaceTech
Cameo Systems Modeler
IBM DOORS
MBSE
Apply
Equity · In office · Full-Time · 2+ years exp · Ashburn · Chantilly
DevOps
AWS
Apply
Windows Systems Admin 8 months ago
In office · Full-Time · 3+ years exp · Master's Degree · Stamford
PowerShell
Databases
MySQL
MS SQL
AI/ML
Model Context Protocol
DevOps
Windows Server
Windows
TCP/IP
DNS
Cybersecurity
Active Directory
Apply
$165k – $231k per year · Equity · In office · Nationals only · Full-Time · 3+ years exp · Bachelor's Degree · Littleton · Huntsville · Seattle · Reston
Python
C
C++
C
Embedded C
DevOps
Terraform
Ansible
GitHub Actions
CloudFormation
GitLab CI
CI/CD
Jenkins
AWS
Docker
JFrog Artifactory
Apply
$165k – $231k per year · Equity · In office · Nationals only · Full-Time · 3+ years exp · Bachelor's Degree · Littleton · Huntsville · Seattle · Reston
Python
Go
Java
TypeScript
Python
FastAPI
Java
Spring Boot
DevOps
Rest API
gRPC
GCP
AWS
Docker
Kubernetes
Cybersecurity
SOC 2
Apply
Remote (LATAM) · Full-Time · 5+ years exp
Python
Databases
PostgreSQL
DevOps
Terraform
Helm
Azure DevOps
GitHub Actions
GitLab CI
Azure
CI/CD
GitOps
ArgoCD
Jenkins
AWS
Docker
Kubernetes
Azure AKS
AWS Lambda
Amazon EC2
Amazon S3
IAM
DNS
Apply
Remote (LATAM) · Full-Time · Master's Degree
Python
Java
C#
C#
.NET
Databases
Apache Kafka
AI/ML
Hadoop
Spark
DevOps
Ansible
Docker Compose
Helm
Azure DevOps
Azure
CI/CD
Docker
Kubernetes
Azure AKS
Linux
VPN
Cybersecurity
Fortify
Analytics
Apache NiFi
Apply
Remote (LATAM) · Full-Time · 7+ years exp
SQL
C#
C#
ASP.NET Core
Databases
PostgreSQL
PostGIS
ElasticSearch
OpenSearch
DevOps
Rest API
Azure
CI/CD
Git
AWS
Apply
$116k – $125k per year · Remote (United States) · Secret · Full-Time · 5+ years exp · Bachelor's Degree
Java
DevOps
Splunk
OpenShift
Azure
AWS
Docker
Kubernetes
Linux
Windows
Unix
Cybersecurity
Burp Suite
Snyk
OWASP ZAP
Qualys Cloud Platform
SonarQube
Checkmarx
Zero Trust
Least Privilege
SBOM
Veracode
Fortify
Active Directory
LDAP
SIEM
OWASP
MedTech
Verification & Validation
Apply
Systems Administrator 24 days ago
$84k – $126k per year · Remote (United States) · Secret · Full-Time · 5+ years exp · Bachelor's Degree
Python
Java
SQL
PowerShell
Bash
Java
Apache Tomcat
Databases
PostgreSQL
Oracle
MS SQL
DevOps
Terraform
Ansible
OpenShift
Azure DevOps
GitLab CI
Azure
CI/CD
Jenkins
Git
Docker
Kubernetes
Nginx
Configuration Management
GitLab
Linux
Unix
Apache HTTP Server
Cybersecurity
Least Privilege
Active Directory
LDAP
Apply
DevOps Engineer 24 days ago
$83k – $125k per year · Remote (United States) · Secret · Full-Time · 5+ years exp · Bachelor's Degree
Python
Java
PowerShell
Bash
Groovy
Java
Maven
Gradle
DevOps
Splunk
Terraform
Puppet
Ansible
Red Hat
OpenShift
Azure DevOps
GitHub Actions
Chef
Dynatrace
Prometheus
GitLab CI
Azure
CI/CD
Jenkins
Git
Docker
Kubernetes
Grafana
Pipeline as Code
AppDynamics
Bamboo
Bitbucket
Incident Management
GitHub
GitLab
Linux
Unix
Management
Agile
Apply
≈ $40k – $89k per year (Estimated) · In office · Full-Time · High School Diploma · Byhalia
DevOps
Windows
Apply
EHS Technician I 24 days ago
≈ $17k – $36k per year (Estimated) · In office · Full-Time · Chihuahua
AI/ML
Llama
DevOps
Windows
Apply
Kubernetes SME 26 days ago
≈ $82k – $165k per year (Estimated) · In office · Top Secret · 3+ years exp · Bachelor's Degree · Orlando
Python
Bash
DevOps
Terraform
Ansible
GCP
Red Hat
OpenShift
Rancher
containerd
Fedora
Azure
AWS
Docker
Kubernetes
Platform Engineering
Configuration Management
Linux
Unix
DNS
Apply
≈ $103k – $195k per year (Estimated) · In office · Secret · 6+ years exp · High School Diploma · Falls Church
Python
Ruby
PowerShell
Bash
Perl
DevOps
Puppet
Ansible
Chef
Configuration Management
Linux
Unix
TCP/IP
Management
ITIL
ITSM
Apply
≈ $116k – $221k per year (Estimated) · In office · TS/SCI · 7+ years exp · Bachelor's Degree · Butlerville
Python
DevOps
Ansible
VMWare
Configuration Management
KVM
Xen
Linux
Windows
DNS
Cybersecurity
Active Directory
Apply
≈ $137k – $266k per year (Estimated) · In office · TS/SCI · 15+ years exp · Bachelor's Degree · United States
Groovy
DevOps
Red Hat
CloudFormation
Azure
Jenkins
Git
AWS
AWS Lambda
Amazon EC2
Amazon S3
IAM
Linux
DNS
BGP
Cybersecurity
Zero Trust
Management
ITIL
Apply
System Administrator 2 months ago
≈ $77k – $155k per year (Estimated) · In office · Secret · 4+ years exp · Bachelor's Degree · Tampa
DevOps
VMWare
Linux
Cybersecurity
Active Directory
Apply
≈ $71k – $144k per year (Estimated) · In office · Secret · Full-Time · 1+ year exp · Butlerville
DevOps
VMWare
KVM
Linux
Windows
Apply
≈ $120k – $246k per year (Estimated) · Hybrid · TS/SCI · Full-Time · 8+ years exp · Bachelor's Degree · Butlerville
DevOps
Terraform
Ansible
VMWare
KVM
OpenStack
VLAN
Apply
≈ $116k – $221k per year (Estimated) · In office · TS/SCI · 7+ years exp · Bachelor's Degree · Butlerville
Python
DevOps
Ansible
VMWare
Configuration Management
KVM
Xen
Linux
Windows
DNS
Cybersecurity
Active Directory
Apply
≈ $75k – $140k per year (Estimated) · In office · TS/SCI · Full-Time · 8+ years exp · Butlerville
Apply
≈ $59k – $110k per year (Estimated) · In office · Secret · Full-Time · 1+ year exp · Butlerville
DevOps
Linux
Windows
Energy
DNP3
Apply
See all jobs
This is one of many
2,288,334 more open roles from verified company boards, updated every day.
Browse all jobs Get matched roles