ManTech International
Posted 2mo ago

Linux Systems Administrator

ManTech International
Chantilly, Virginia, United States
OnsiteFull Time
Responsibilities
  • maintaining systems
  • hardening servers
  • troubleshooting problems
Requirements
  • HS/GED with 2+ years Linux systems experience in large
  • Complex environments
  • Experience with Centrify, LDAP
  • Active Directory
  • Shell scripting
  • Ansible preferred
  • Strong documentation and communication
  • Active TS/SCI with polygraph required
Technical tools mentioned
LinuxCentrifyLDAPActive Directoryshell scriptingAnsible

Job description

Description & Requirements

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!

Description & Requirements

MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA.

As a Linux Systems Administrator, you will help maintain and enhance the Sponsor’s Linux environment alongside a talented team. You will be responsible for the operating system software and its seamless integration with hardware and applications across the organization.

Responsibilities include but are not limited to:

  • Planning, testing, installing, integrating, and maintaining new and upgraded versions of the relevant operating systems
  • Building and hardening Linux servers, and establishing configuration baselines while applying all appropriate security and firmware patches in a timely manner
  • Developing test plans/procedures, managing operating system lifecycles, and designing interfaces to external systems
  • Researching, troubleshooting, and resolving operating system problems efficiently by collaborating with application development and network teams
  • Maintaining and updating complex documentation on the operating system configuration and all other areas of responsibility
  • Demonstrating strong communication and collaboration skills to work effectively and proactively across a large organization of dispersed teams

Minimum Qualifications:

  • High School Diploma/GED with 2+ years of progressively responsible experience configuring and maintaining Linux servers in a large, complex server environment
  • Experience working in an organization with complex, intertwined systems, data flows, and applying security patches in a Linux environment
  • Experience creating, maintaining, and communicating complex information technology documentation
  • Experience with domain account management, particularly via Centrify, LDAP, and Active Directory
  • Experience with shell scripting to automate administrative tasks

Preferred Qualifications:

  • Experience scripting with Ansible or similar technologies
  • Experience with the Sponsor’s primary automation and configuration management tools
  • Self-starter with excellent people skills - able to work across teams and drive change throughout an organization

Clearance Requirements:

  • An active TS/SCI with Polygraph is required.

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time to operate a computer and other office productivity machinery.
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, and maintain computers in the lab, including under desks and in the server closet.
  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations and exchanging accurate information.

Description & Requirements


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.

About ManTech International

Advancing the future of defense through innovative technology.

Similar jobs

Linux Systems Administrator roles near Chantilly, Virginia
9h
Save
Mark Applied
Hide
Linux Systems Administrator - SA2
Fort Meade, Maryland, United States
$118k-$219k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Global security and aerospace driving innovative defense solutions.
10+ YOERequires 10 years of comparable system administration experience, a bachelor's degree or 5 additional years of experience, IAT Level II certification, current U.S. security clearance with recent polygraph, and 5 years of Linux experience.
Linux, Windows, JIRA, Confluence, PKI
1d
Save
Mark Applied
Hide
Linux Systems Administrator (RHEL)
Chantilly, Virginia, United States
$135k-$216k/yr OnsiteFull Time
Peraton
Peraton: Provider of mission-critical national security technologies and services.
Top Secret clearance with ability to obtain TS/SCI; associate degree plus 10+ years, bachelor's plus 8+ years, master's plus 6+ years, or equivalent experience; RHEL, Ansible, Satellite, Linux administration, and DoD 8140 expertise.
Red Hat Enterprise Linux (RHEL), Ansible, Red Hat Satellite, Git, Atlassian Jira Service Management, Atlassian Jira Software, Atlassian Confluence, Sentris, Red Hat OpenStack Platform
4d
Save
Mark Applied
Hide
Linux System Administrator
Fort Meade or Odenton
$134k-$164k/yr OnsiteFull Time
Quevera
Quevera: Veteran-owned custom software engineering firm serving government customers with mission-critical IT solutions.
7+ YOERequires active TS/SCI clearance with polygraph, Security+, strong Linux administration, Ansible automation, enterprise virtual machine security experience, and qualifying education and technical experience.
Linux, OpenStack, AWS, VMware, Kubernetes, Ansible, YUM, Rancher, kubectl, CentOS, Red Hat Enterprise Linux (RHEL), EC2, RDS, Git, Splunk
1w
Save
Mark Applied
Hide
Senior Linux Systems Administrator
Huntsville or Dayton or Albuquerque or Simi Valley or Sunrise or Herndon or Arlington or Germantown or Melbourne
$91k-$139k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Developer of unmanned aircraft systems and defense technologies.
8+ YOEBachelor's degree or equivalent experience; 8–12 years of IT infrastructure experience, including 6+ years administering enterprise Linux. Requires Ansible, Bash or Python, VMware, storage, security hardening, and U.S. person status.
Oracle Linux, Red Hat Enterprise Linux, Ubuntu, Canonical Landscape, VMware vSphere, OCI, AWS, Azure, Red Hat Satellite, Foreman, YubiKey, PKI, Smartcard, Duo, Okta PAM, NIST SP 800-171, CMMC 2.0, DISA STIG, CIS, SELinux, AppArmor, auditd, Ansible, Terraform, Puppet, Chef, Bash, Python, SAN, NAS, iSCSI, NFS, LVM, VMware ESXi, VMware vCenter, FlexLM, DNS, DHCP, LDAP, Kerberos, NTP, Prometheus, Grafana, Zabbix, Docker, Podman, Kubernetes, AWS GovCloud, Azure Government
1w
Save
Mark Applied
Hide
Linux Systems Administrator (supporting Naval Research Lab)
Welcome, Maryland, United States
$71k-$96k/yr OnsiteFull Time
ASRC Federal
ASRC Federal: Providing technology, engineering, and infrastructure solutions for federal missions.
IT or cybersecurity degree plus 2–4 years of experience, or equivalent experience; CompTIA Security+ required; Linux administration, TCP/IP, network troubleshooting, and Interim Secret clearance required.
Linux, Unix, Windows, LAN/WAN, Cloud, TCP/IP, VM, DISA STIGS, NIST, DoD Risk Management Framework, Common Criteria
2w
Save
Mark Applied
Hide
Journeyman Linux Systems Administrator
Kearneysville, West Virginia, United States
$80k-$100k/yr HybridFull Time
GovCIO
GovCIO: Provider of IT modernization and digital transformation services.
5+ YOEHigh school education and 5+ years administering RHEL systems, with DoD 8570 IAT II and Linux certifications, VMware, Ansible, patching, DISA STIG, Bash or Python experience, and active Secret clearance.
Red Hat Enterprise Linux (RHEL), VMware vSphere, ESXi, vCenter, Ansible, YAML, BMC True Sight Server Automation (TSSA), DISA STIG, Bash, Python, OpenShift, Docker, Kubernetes, AWS, Azure
3w
Save
Mark Applied
Hide
Senior Level - Redhat Linux Systems Admin
Arlington, Virginia, United States
OnsiteFull Time
The One 23 Group
The One 23 Group: Delivering integrated Operational Intelligence, Secure Digital Engineering, and Infrastructure Engineering to enable decision advantage.
10+ YOEActive Top Secret clearance, SIPRNet eligibility, U.S. citizenship, 10+ years of relevant IT experience, advanced UNIX/Linux administration, DoD IAT Level II certification, and 24/7 on-call participation.
Red Hat Enterprise Linux, UNIX, SIPRNet, VMware, ITIL
4w
Save
Mark Applied
Hide
Sr. Linux Systems Administrator
Columbia, Maryland, United States
$145k-$165k/yr OnsiteFull Time
Astrion
Astrion: Provider of mission-critical services for defense and federal agencies.
8+ YOEActive TS/SCI clearance, bachelor\u0002s or equivalent, 8+ years Linux administration in DoD/classified environments, RHEL expertise, scripting/automation, STIG/RMF compliance, HPC and enterprise storage experience.
RHEL, Bash, Python, Ansible, PBS Professional, NetApp ONTAP, NFS, ACAS, Nessus, SCAP, SIEM, Red Hat Satellite, Podman, Kubernetes, Ansible Automation Platform, Git, Azure Government