689 Unix Linux Administrators jobs in Arlington,VA

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Linux Systems Administrator

BOOZ, ALLEN & HAMILTON

Washington, DC 20011

RemoteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

3+ years of experience with RedHat Enterprise Linux or CentOS
Experience managing virtual machines and VMware ESXi
Knowledge of Linux firewalls, networking configuration, and DNS
Active TS/SCI clearance; willingness to take a polygraph exam
Bachelor's degree in an IT field and 5+ years of experience with systems administration, or 12+ years of experience with systems administration in lieu of a degree
Ability to obtain a DoD 8570.1 IAT Level II Compliant certification within 60 days of start date
DoD 8570.1 IAT Level II Compliant certification

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Senior Systems Administrator Engineer (Government)

At&t

Chantilly, VA 20152

$98,100-$220,000/yr

~ 31 min OnsiteUrgently HiringEducation 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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Linux and Ansible Automation Engineer

BOOZ, ALLEN & HAMILTON

Reston, VA 20191

~ 25 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

10+ 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 II Certification such as Security+ CE, CCNA-Security, GSEC, SSCP, CySA+, GICSP, or CND Certification within 30 days of start date
Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information ; TS/SCI clearance is required.
TS/SCI clearance is required.

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System Development Engineer II, Platform Engineering and Emerging Technologies

Amazon Development Center U.S.

Herndon, VA 20171

~ 29 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

Bachelor's degree, or CSSLP (Certified Secure Software Lifecycle Professional)
2+ years of non-internship professional software development experience
1+ years of designing or architecting (design patterns, reliability and scaling) of new and existing systems experience
Knowledge of systems engineering fundamentals (networking, storage, operating systems)
Experience programming with at least one modern language such as C++, C#, Java, Python, Golang, PowerShell, Ruby
This position requires that the candidate selected must currently possess and maintain an active TS/SCI security clearance.
The position further requires that, after start, the selected candidate obtain and maintain an active TS/SCI security clearance with polygraph or commensurate clearance for each government agency for which they perform AWS work.

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Operations System Analyst

SimVentions, Inc - Glassdoor✪ 4.6

Waldorf, MD 20604

Urgently Hiring

New, Posted 1 day ago

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Real-Time Operations Mission Planner/Mission Scheduler

CACI International Inc

Springfield, VA 22153

~ 20 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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Systems Integration Engineer - Manassas, VA

In-Depth Engineering Corporation

Manassas, VA 20110

~ 38 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Bachelor's degree in computer science, information technology, or related major
2+ years of engineering and systems integration experience
Familiarity with scripting languages (i.e., bash, csh, and ksh)
Experience operating within the Linux operating system
A self-starter with strong integration and debug skills
Demonstrated experience and success collaborating in a team environment for system development and HW/SW troubleshooting
Problem/issue reporting and tracking experience
Candidates for consideration must be a US citizen and be eligible to obtain a Department of Defense secret clearance

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Oracle Database Administrator

Leidos

Arlington, VA 22201

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Senior Systems Engineer (Linux)

GovCIO LLC

Alexandria, VA 22315

$140,000/yr

Hybrid~ 22 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

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Federal Lead Systems Architect

Dell

Falls Church, VA 22044

~ 10 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