369 Linux Administrator jobs in Haymarket,VA

Linux and Ansible Automation Engineer

BOOZ, ALLEN & HAMILTON

Reston, VA 20191

RemoteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

5+ years of experience administering Linux-based environments such as RedHat Enterprise Linux ( RHEL )
Experience managing configuration at scale using Ansible, including enforcing consistent system state across large inventories, detecting and correcting configuration drift, and writing idempotent playbooks
Experience using Infrastructure as Code ( IaC ) technologies such as Ansible, Terraform, Salt, Puppet, or Chef
Experience with Bash, Python, or PowerShell
Experience managing systems within U.S. federal government or DoD enterprise IT environments, including security compliance and vulnerability management frameworks such as STIG, RMF, or NIST
Active TS/SCI clearance; willingness to take a polygraph exam
Associate's degree and 5+ years of experience supporting IT projects and activities, Bachelor's degree and 3+ years of experience supporting IT projects and activities, or Master's degree and 1+ years of experience supporting IT projects and activities
Ability to obtain a DoD 8570 IAT Level III Certification such as SecurityX, formerly CASP+, CCNP Security, CISA, CISSP, GCED, GCIH, or CCSP certification within 30 days of start date
Ability to obtain a DoD 8570 Cybersecurity Service Provider - Infrastructure Support Certification ( CSSP-IS ) , including CEH, CySA+, GICSP, SSCP, CHFI, CFR, Cloud+, or CND Certification , within 30 days of start date

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Senior Systems Administrator Engineer (Government)

At&t

Chantilly, VA 20152

$98,100-$220,000/yr

~ 24 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Bachelor's degree and minimum 5 years of relevant experience in Security operations of systems supporting: Virtualization, Windows and Linux Computing solution engineering and architecture solutions
Experience with on-premise, cloud and hybrid-cloud based deployments.
US citizenship is required.
Active federal security clearance.
Top Secret/SCI with polygraph.

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Federal Lead Systems Architect

Dell Careers

Manassas, VA 20110

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Federal Lead Systems Architect

Dell

Manassas, VA 20110

~ 19 min Onsite

Secret, TS/SCI required
Lead Solution Architect
On-premise private cloud ecosystem
Linux/Windows
Storage arrays
Software-defined networking
Unified communications (voice/video)
Infrastructure as Code (IaC)
GitOps-driven deployment strategy
Bare-metal provisioning platforms like Tinkerbell
Secure, and resilient infrastructure
Cross Domain Solutions (CDS)
Multi-level security enclaves
Scaled Agile Framework (SAFe)
Experience guiding cross-functional agile teams from architectural design through execution
Private Cloud Architecture & Integration: Design and oversee the implementation of a highly available, multi-tenant on-premise private cloud
Host enterprise Linux and Windows Server workloads at scale
Network Automation & S Architect automated provisioning workflows from bare-metal up to the hypervisor/OS layer using platforms such as Tinkerbell, Canonical MAAS, or similar IaaS provisioning tools
GitOps & Infrastructure as Code (IaC): Define, champion, and enforce a Git-centric (GitOps) deployment strategy
Infrastructure and OS-level configurations are version-controlled in Git and executed via automated, declarative CI/CD workflows
Cross Domain & DoD/IC Security: Architect

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Site Reliability Engineer

Guidehouse Careers

McLean, VA 22101

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Mid-to-Senior Software Developer

SimVentions, Inc - Glassdoor✪ 4.6

Fredericksburg, VA 22406

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Platform Engineer (Kubernetes)

Vantor

Herndon, VA 20170

~ 31 min OnsiteEducation AssistanceHealth InsuranceRetirement Benefit

To be eligible for this position, you must be a U.S. Citizen.
Must be a U.S. Citizen with an active TS/SCI with CI poly (or willingness to obtain a CI poly)
This position requires an active U.S. Government Security Clearance at the TS/SCI with CI poly level.
_Export Control/ITAR:_ Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).
Minimum of 14 years of total professional experience in a technical support role
Demonstrated technical experience with DevSecOps
Demonstrated experience working with Kubernetes in production environments
Demonstrated experience with Red Hat OpenShift
Proficiency in container technologies such as Docker or CRI-O
Experience with CI/CD tools (e.g., Jenkins, GitHub Actions, GitLab CI)
Open source and custom application deployments and maintenance experience.
Capable of working effectively with a geographically distributed ops & development team
Demonstrated ability to communicate effectively with customers and team in written and oral forums
Willingness to work 90% or as needed in a SCIF environment with some on-call or after-hours onsite support for customer's mission in either **Herndon, VA; Westminster, CO; or St. Louis, MO**
Degree or equivalent demonstrated experience in a technical field.

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Engineer Systems 3 - 28992

HII

Quantico, VA 22134

~ 44 min Onsite

5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience.
Candidate must be familiar with Linux (command line) and Windows operating systems.
Candidate must have technical leadership ability.
Candidate must be able to address technical issues by understanding which engineering domain problems belong to and then assign engineers from the appropriate domains to resolve issues.
Candidate must have excellent written and verbal communication skills and be comfortable communicating at various levels of the organization.
Candidate must be familiar with MS Office.
Candidate must have A current CompTIA Security + certification is required for the position.
Candidate must currently hold and be able to maintain a US Secret clearance.

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Real-Time Operations Mission Planner/Mission Scheduler

CACI International Inc

Springfield, VA 22153

~ 40 min Onsite

Active TS/SCI with Polygraph
Minimum Clearance Required to Start: TS/SCI with Polygraph
Travel Required: Up to 25%
Travel: Continental US
The Opportunity: Join CACI as a Mission Planner/Mission Scheduler and embark on a dynamic career in high-speed resource management. In this pivotal role, you will collaborate, coordinate, and optimize resource capabilities across multiple missions, ensuring seamless execution and maximum mission support. As a Mission Planner/Mission Scheduler, you will be at the forefront of mission management, working in a fast-paced environment that demands foresight, strong technical skills, and the ability to thrive under pressure.
Responsibilities: This may be a modified shift position with crew/shift certification required, allowing you to contribute to mission success around the clock.
Undergo a government security investigation and meet eligibility requirements for access to classified information, upholding the highest standards of security and integrity.
Perform activities involving the production and execution of Mission Plans, Schedules, and activities associated with operation, tasking, and tuning of mission assets, ensuring optimal resource utilization.
Develop detailed plans and procedures to provide maximum mission support in areas such as system collection, mission execution, and performance analysis and optimization, driving continuous improvement and innovation.
Build schedules based on detailed plans to optimize mission execution, ensuring timely and efficient resource allocation.

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SWFTS Lead Engineer

VTG

Manassas, VA 20110

Remote

10 years' experience with the submarine SWFTS architecture
Bachelor's degree in Systems Engineering, Computer Engineering, Computer Science, Software Engineering, or Information Technology
Understanding of SWFTS sub-system interfaces
Proficient with Linux (RHEL/Centos 7 or 8)
Articulate, excellent presentation skills
US Citizen with current SECRET Clearance or ability to obtain a SECRET clearance
Successful completion of background check

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