746 Linux Administrator jobs in Lanham,MD

Senior Linux System Administrator

Leidos

Washington, DC 20037

~ 19 min OnsitePaid Time OffRetirement Benefit

US Citizen with at least an active Secret clearance.
Bachelor's degree with 8+ years of experience
Master's degree with 6+ years of experience
Additional experience may be considered in lieu of a degree.
5+ years of experience providing System Administration to DoD IT systems.
DoD 8570 IAT level I compliant.

SmartExplore AI is experimental.

New, Posted 23 hours ago

Apply Directly

Senior Systems Engineer (Linux)

GovCIO LLC

Alexandria, VA 22315

$140,000/yr

Hybrid~ 32 min

High School with 9+ years (or commensurate experience)
DoD 8570 IAT Level II or higher (e.g., Security+ CE, CySA+)
A recognized Linux certification (e.g., RHCE, RHCSA)
Deep technical proficiency in administrative engineering, configuration, and advanced troubleshooting of RHEL or similar enterprise Linux platforms.
Hands-on engineering experience using advanced automation scripts (e.g., Ansible, Bash, Python, or Puppet) for systems orchestration.
Proven experience implementing DISA STIGs and hardening enterprise Linux operating systems to meet federal security baselines.
Clearance Level: Must have an active Secret clearance

SmartExplore AI is experimental.

Recommended

Senior System Administrator

ManTech

Laurel, MD 20707

Urgently Hiring

Recommended

JobLeads

Technical Delivery Manager

Peskind Executive Search

Washington, DC 20022

Flexible Schedule

Recommended

DiversityJobs

Embedded Software Engineer

CIENA

Hanover, MD 21076

Flexible Schedule

Recommended

Senior Systems & Monitoring Administrator

Johns Hopkins Applied Physics Laboratory (APL)

Laurel, MD 20723

$100,000/yr

New, Posted 1 day ago

Recommended

Apply Directly

Data Security Engineer

BOOZ, ALLEN & HAMILTON

Arlington, VA 22201

RemoteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

3+ years of experience designing, deploying, and configuring data security solutions
Experience with data security and performing systems administration, including installation, configuration, monitoring system performance and availability, upgrades, and troubleshooting for data security tools such as Virtru, PKWare, or Thales
Experience with DSPMs such as Varonis and BigID
Experience with data-centric security models, including maintenance
Experience designing, implementing, configuring, operating, or testing IT systems or security infrastructure
Experience documenting and diagraming technical architectures
Top Secret clearance
HS diploma or GED
Ability to obtain a Security+ Certification within 9 months of start date
TS / SCI clearance
Bachelor's degree in IT Security or Engineering

SmartExplore AI is experimental.

New, Posted 1 day ago

NIST PREP Engineer for Perception Sensors Testing/Evaluation

Southeastern Universities Research Association

Gaithersburg, MD 20883

Cyber Operations Capabilities Developer (TS/SCI with CI Poly)

Vantor

Annapolis Junction, MD 20701

$92,000-$195,000/yr

~ 23 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

TS/SCI with CI Poly
Active TS/SCI clearance
Bachelors degree is technical discipline
Minimum of 5 years experience
Strong, recent experience with: C (systems-level programming)
Strong, recent experience with: Python (tooling, scripting, automation)
Proficiency with Git and modern development practices
Cross-compilation for diverse targets
Reverse engineering (e.g., GDB, IDA Pro, Ghidra)
Vulnerability research or exploit development
Development of modular implants or payload frameworks
Process injection or similar low-level techniques
Command and Control (C2) systems (e.g., Mythic, Cobalt Strike, Vermilion Strike)
Network stack programming (sockets, protocols, TCP/IP)

SmartExplore AI is experimental.

New, Posted 7 hours ago

Apply Directly