1,368,308open jobs
79,536companies
209,295added this week
Browse all
Salary
$128k – $214k per year
Location
In office (Laurel)
Seniority
Senior · 20+ years exp

Confirmed on the employer's own hiring board on Oct 8, 2026. First seen by Alion on Oct 6, 2026. ManTech scores A on the Alion truth index.

Overview
Company
Impact
Profile match
ManTech is a Virginia company founded in 1968 that provides technology services to United States defence and intelligence agencies. Its work covers cybersecurity, data analytics, cloud and mission systems engineering. The company employs thousands of cleared technologists.

Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!

ManTech seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD.

You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions. This role directly supports the Enterprise Infrastructure Services (EIS) organization-the foundation of all Enterprise Information Technology (EIT) for MPO.

Responsibilities include but are not limited to:

  • Configure and manage Linux operating systems. Installs/loads operating system software, troubleshoots maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.

  • Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems.

  • Manage IT system infrastructure and any processes related to these systems. Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all the client/server/storage/network devices, mobile devices, etc.

  • Provide support for the dispatch system and hardware problems and will remain involved in the resolution process.

  • Optimize system operations and resource utilization and perform system capacity analysis and planning.

  • Analyze and resolve complex problems associated with server hardware, applications and software integration.

Minimum Qualifications:

  • Bachelor’s degree in a technical discipline from an accredited college or university; an additional 5 years of related experience might be substituted for a degree.

  • 20+ years of experience as a System Administrator or related experience in programs and contracts of similar scope, type, and complexity.

  • Proficient with troubleshooting in a Linux Red Hat environment.

  • Experience with VMWare

  • Demonstrated experience with modern automation/configuration tools such as Splunk or Ansible

  • IAT I certification (DoD 8140 required within 60 days of starting employment. Acceptable certifications include A+ CE/CCNA-Security/CND/Network+ CE /CySA+/GICSP/GSEC/Security+ CE/CND/SSCP)

Preferred Qualifications:

  • Experience/familiarization with full lifecycle management of Linux systems, to include provisioning, configuration management and patching.

  • Red Hat Certified System Administration Certification.

  • Experience with NetAPP

Clearance Requirements:

  • Must have a current/active Top Secret/SCI with Polygraph

Physical Requirements:

  • The person in this position must be able to remain in a stationary position 50% of the time.

  • Occasionally move about inside the office to collaborate with other leaders/teams, use standard office automation equipment, and virtual communication.

The projected compensation range for this position is $128,000.00-$214,400.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at [email protected] and provide your name and contact information.

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.
1,368,308 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
Laurel
≈ $109k – $213k per year (Estimated) • Hybrid • 7+ years exp • Bachelor's Degree • New Albany
DevOps
Azure
CI/CD
Windows Server
AWS
Cloudflare
Configuration Management
Windows
DNS
DHCP
Cybersecurity
Crowdstrike
Zero Trust
Microsoft Entra ID
Active Directory
Management
SharePoint
Apply
Cloud Developer 1 hour ago
$65k – $162k per year • In office • Top Secret • Full-Time • 4+ years exp • Bachelor's Degree • Washington
Databases
OpenSearch
DevOps
Terraform
CloudFormation
Azure
CI/CD
AWS
Docker
Kubernetes
FinOps
Amazon CloudWatch
Apply
$93k – $218k per year • In office • Top Secret • Full-Time • 8+ years exp • Bachelor's Degree • Washington
Databases
OpenSearch
DevOps
Terraform
CloudFormation
Azure
CI/CD
AWS
Docker
Kubernetes
FinOps
Amazon CloudWatch
Apply
$130k – $150k per year • Remote (United States) • 5+ years exp
SQL
Apex
Apex
Salesforce Flow
Databases
Snowflake
Databricks
Google BigQuery
BigQuery
AI/ML
Agentforce
DevOps
Rest API
SOAP
Cybersecurity
GDPR
Apply
$160k – $246k per year • Remote (United States) • Full-Time • 5+ years exp • Bachelor's Degree • United States
PowerShell
DevOps
Terraform
GCP
Azure
CI/CD
AWS
Platform Engineering
Bicep
Progressive Delivery
Incident Management
IAM
Cybersecurity
Zero Trust
Least Privilege
Microsoft Entra ID
Apply
≈ $69k – $162k per year (Estimated) • In office • 5+ years exp • Bachelor's Degree • Courbevoie
Python
Java
SQL
Databases
MySQL
PostgreSQL
Apache Kafka
DevOps
Rest API
Splunk
Terraform
Ansible
Red Hat
OpenShift
Helm
GitHub Actions
Dynatrace
Prometheus
GitLab CI
Azure
CI/CD
GitOps
ArgoCD
Jenkins
Git
AWS
Docker
Kubernetes
Grafana
AppDynamics
Amazon EKS
Azure AKS
SLI/SLO/SLA
IAM
API Gateway
Linux
Unix
TCP/IP
DNS
SOAP
Cybersecurity
ISO 27001
PCI DSS
SOC 2
GDPR
HIPAA
Microsoft Entra ID
LDAP
PKI
Management
ITIL
Apply
≈ $23k – $50k per year (Estimated) • In office • 5+ years exp • Moscow
Python
SQL
PowerShell
Databases
PostgreSQL
Db2
DevOps
Ansible
VMWare
Nginx
Proxmox VE
Windows
TCP/IP
DNS
DHCP
Management
Draw.io
Apply
$28k per year (net) • Hybrid • Moscow
Python
SQL
Databases
MySQL
PostgreSQL
Redis
RabbitMQ
Apache Kafka
DevOps
Rest API
Prometheus
GitLab CI
CI/CD
Git
Docker
Kubernetes
Grafana
kubectl
k9s
Linux
QA
Playwright
Swagger
Postman
Insomnia
Pytest
Apply
≈ $21k – $45k per year (Estimated) • Remote (Poland) • Full-Time • 1+ year exp • Poland
SQL
DevOps
Kibana
Grafana
Linux
TCP/IP
DNS
Game Dev
Unity
Apply
In office • China
JavaScript
TypeScript
Node JS
Frontend
Vue.js
GraphQL
React.js
DevOps
Linux
Apply
$77k – $129k per year • In office • TS/SCI • 3+ years exp • Bachelor's Degree • United States
DevOps
Red Hat
VMWare
Windows Server
Hyper-V
Linux
Apply
≈ $88k – $177k per year (Estimated) • In office • TS/SCI • 3+ years exp • High School Diploma • Doral
Python
Bash
DevOps
Ansible
Red Hat
VMWare
Docker
Kubernetes
Configuration Management
Linux
Apply
DevOps Engineer 1 day ago
≈ $90k – $182k per year (Estimated) • In office • Secret • 3+ years exp • High School Diploma • Doral
Python
Bash
DevOps
Terraform
Ansible
Chef
CI/CD
AWS
Docker
Kubernetes
Configuration Management
Apply
≈ $112k – $219k per year (Estimated) • In office • TS/SCI • 5+ years exp • High School Diploma • Doral
DevOps
CI/CD
Apply
$115k – $190k per year • In office • TS/SCI • 5+ years exp • Bachelor's Degree • Denver
Python
JavaScript
Ruby
Perl
Management
ServiceNow
Agile
Apply
≈ $104k – $203k per year (Estimated) • In office • TS/SCI • 8+ years exp • High School Diploma • Laurel
Python
PowerShell
DevOps
Azure
AWS
Linux
Apply
$128k – $214k per year • In office • TS/SCI • 12+ years exp • High School Diploma • Laurel
DevOps
Splunk
Ansible
Red Hat
VMWare
Configuration Management
Linux
Apply
In office • Part-Time • Laurel
Management
Microsoft Office
Apply
$69k – $121k per year • Equity • Hybrid • Internship • Bachelor's Degree • Laurel
Apply
$50k – $70k per year • In office • Full-Time • 4+ years exp • Laurel
Apply
See all jobs
This is one of many
1,368,308 more open roles from verified company boards, updated every day.