Senior Linux System Engineer jobs

Sr. Linux System Administrator / System Engineer

Annapolis, Maryland

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Today

**An active TS/SCI with Polygraph is required for this position **Position Overview We are seeking a highly experienced Senior Linux System Administrator / System Engineer to support a high-visibility mission environment within the Intelligence Community. This role requires deep expertise in Linux system administration, virtualization, automation, and security compliance, along with the ability to operate in a fast-paced, mission-critical setting.Key Responsibilities Administer, maintain, and o

Full-time

USD 151,000.00 - 170,000.00 per year

Senior Linux System Administrator

Laurel, Maryland

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Today

ManTechseeksa motivated, career and customer-orientedLinuxSystem Administratorto join our team inLaurel,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 man

Full-time

Senior Linux System Administrator

Albuquerque, New Mexico

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Today

Overview Edgewater Federal Solutions is seeking a Senior Linux System Administrator to support a major national laboratory. Responsibilities Monitor, maintain, and repair physical and virtual server systems. Resolve technical issues affecting hardware, operating systems, or applications. Apply operating system or application patches, install or replace hardware, and implement configuration changes to improve or restore system performance. Perform system capacity analysis and planning. Assist u

Full-time

Senior Linux Systems Engineer, Low Latency, Onsite in Chicago, IL - R

Chicago, Illinois

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Today

Senior Linux Systems Engineer, Low Latency, Onsite in Chicago, IL We are looking to hire a highly talented Senior Linux Systems Engineer to join the technology team. This Senior Linux Systems Engineer position is 100% Onsite and NOT open for Remote. Senior Linux Systems Engineer Responsibilities: - Work collaboratively with technology and business teams on all aspects of a global trading and research infrastructure. - Research and implement enhancements to infrastructure systems as well as auto

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Full-time

$150,000 - $175,000

Senior Staff Linux System Administrator

Boulder, Colorado

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Today

SciTec, a wholly owned subsidiary of Firefly Aerospace, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.S. National Security and Defense. For the past forty-five plus years, we have supported Department of Defense customers by developing innovative remote sensing algorithms, tools, and techniques to deliver world-class data exploitation capabilities supporting missile defense; intelligence, surveillance, & reconnaissance; space domain awareness

Full-time

USD 120,000.00 - 146,000.00 per year

RedHat Linux System Administrator (Levels I - IV)

Annapolis, Maryland

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Today

Job Title: RedHat Linux System Administrator Location(s): Annapolis Junction, Maryland Hours: Regular Full-Time Salary Range: $120k/yr - $185k/yr Clearance Requirements This position requires a current and active TS/SCI with Poly at the time of application. What you will be doing: The SAL will perform a variety of functions, depending on the level required. The specific demonstrated skills, as more fully set forth at each level may include: providing support for the implementation and oper

Full-time

USD 120,000.00 - 185,000.00 per year

Sr. Linux Infrastructure Engineer

Spring, Texas

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Today

Senior Linux Infrastructure Engineer - Azure Government / CMMC (Contract) Location: Spring, TX (Hybrid - 3 days onsite Tue-Thu, remote Mon/Fri) Type: W2 Contract (12+ months, likely to extend) Citizenship: U.S. citizenship required (government environment - no sponsorship, no clearance required) About the Role A well-established organization in the maritime sector is standing up a brand-new Azure Government (GCC High) environment from the ground up, and is looking for a senior Linux enginee

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Contract

$60 - $85 per hour

Sr. System Administrator/System Engineer - Linux

Columbia, Maryland

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Today

Job Description CDIT is a technology solutions company supporting government and national security customers with secure, mission-focused IT solutions. We partner with highly skilled technical professionals to support complex environments where reliability, security, and operational excellence are critical. Our team values technical expertise, collaboration, and a commitment to supporting the missions of our customers. CDIT is seeking an experienced Senior Linux Systems Administrator / Engineer

Full-time

Sr. System Administrator (Linux) (Laurel, MD)

Laurel, Maryland

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Today

**Active TS/SCI w/Polygraph REQUIRED** Please do not apply if you do not currently possess this level of clearance. Telework: None Basic Requirements: 20 years experience as a system engineer Bachelor's degree in a technical discipline 5 additional years of experience as a system engineer may be substituted for a degree Required Experience: RedHat Linux Ansible VMWare Excellent benefits package including 25 days PTO, 11 paid holidays, 100% employer-paid healthcare for employees and dependents -

Full-time

Sr. Linux Systems Engineer (TS/Q Clearance Required)

Germantown, Maryland

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Automation Tools, Complex Systems, Linux, System Administration, System Designs Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: GDIT is seeking an experienced Sr. Linux Systems Engineer to support critical IT oper

Full-time

USD 142,792.00 - 178,250.00 per year

Senior System Engineer (Email Security Migration)

Washington, District of Columbia

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Yesterday

Senior System Engineer (Email Security) Washington, DC - 100% ONSITE Compensation: W2 or C2C Per Federal contract U.S. Citizenship Required Security Clearance: Must be able to pass Federal background check Application Deadline: 9/11/2026 Responsibilities: Lead the migration from on-premises IronPort email security appliances to Proofpoint cloud-based email security solution, ensuring seamless transition with minimal disruption to email services. Design, configure, and maintain Proofpoint as a

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Contract

Depends on Experience

Sr. System Admin/System Engineer - Linux

Annapolis, Maryland

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Today

Job Description Qualifications: Contractor will be supporting an IC wide mission environment / service.Minimum of 10 years experience as a Linux System Admin / Eng. Required: Linux - (CentOS/RHEL) Linux admin certification desired Required:Extensive experience installing, configuring, maintaining JBoss / Wildfly Required: VMWare VM creation, configuration, and operation experience Required:Security + Certification Duty hours are Monday - Friday 8am - 5 pm (flexible).Must be available for a

Full-time

Sr. Systems Engineer - Linux

San Diego, California

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Today

Axos Bank Target Range: $120,000.00 /Yr. - $145,000.00 /Yr. Actual starting pay will vary based on factors including, but not limited to, geographic location, experience, skills, specialty, and education. Eligible for an Annual Discretionary Cash Bonus Target: 10% Eligible for an Annual Discretionary Restricted Stock Units Bonus Target: 10% These discretionary target bonuses may be awarded semi-annually based upon your achievement of performance goals and targets. About This Job This positi

Full-time

USD 120,000.00 per year

Senior Systems Administrator (Unix/Linux)

Dahlgren, Virginia

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Today

Employment Type: Full-Time Shift: Day ** This position is contingent upon award of the contract. About the Company Athena Technology Group, Inc. (ATG) is a Service-Disabled Veteran Owned Small Business (SDVOSB) focused on Information Technology and Communications consulting, system engineering, integration, deployment and operation of state of the art command and control and information systems that deliver critical network centric solution to the warfighter. With a proven track record of tech

Full-time

Senior Forward Deployed Engineer

New York, New York

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Today

Senior Forward Deployed Engineer Location: New York, NY (Hybrid) Salary: 180-220k Base + Equity We are partnering with a fast-growing enterprise health technology company building modern infrastructure for pharmacy benefit management and health plan administration. As a Senior Forward Deployed Engineer, you will combine hands-on backend development with client-facing technical leadership. You'll architect serverless Python applications, manage enterprise API integrations, and lead complex te

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Full-time

$170000 - $220000 per annum

Senior Linux Administrator

Pensacola, Florida

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Today

Company Overview: At ValidaTek, we modernize and optimize IT services to solve some of the most critical challenges facing federal civilian and defense agencies. From customers to partners to top-talent employees, ValidaTek puts people first, empowering them to exceed expectations and transform government organizations. Our success starts and ends with our people, so we built a company where great people can do great things, with the resources and autonomy to make decisions that transform organ

Full-time

Senior Information Security Engineer

Reston, Virginia

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Today

job summary: We are partnering with a global leader in internet infrastructure to find a Senior Information Security Engineer for a high-visibility, direct-hire role. This is not a monitoring, compliance, or SOC position. Instead, you will focus strictly on high-level engineering-acting as the primary technical owner for critical security tools across a massive hybrid environment. You will lead the charge in automating away repetitive administrative tasks and evaluating next-generation security

Full-time

USD160,000 - USD200,000

Sr. Java Full Stack Engineer

Hoboken, New Jersey

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Today

Bachelor's degree in Computer Science, Engineering, Information Technology, or equivalent. 10+ years of hands-on software design and development experience. Expertise in Java, Python, and Linux. Deep experience with low latency messaging systems (e.g., 29West, Kafka). Proficiency in KDB+ or other time-series databases. Strong background in building scalable, distributed, asynchronous, and event-driven applications. Advanced knowledge of low latency design patterns and performance optimization te

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Contract

Senior Application/Production Support Engineer

Charlotte, North Carolina

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Today

Job Title: Senior Application/Production Support Engineer Location: Charlotte, NC Duration: Contract - 10 months Pay Range: $65.05/hr (W2) Job ID: 408574 About BCforward BCforward is a leading global IT consulting and workforce solutions firm providing services and support to Fortune 500 and government clients. Founded in 1998, BCforward has grown with our customers needs into a full-service business solutions provider. With delivery centers and offices across North America and India, we ta

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Contract

$65.00 - $65.05 per hour

Senior Production Support Application Engineer

Charlotte, North Carolina

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Today

Job Title: Senior Production Support Engineer / Application Support Engineer Location: Charlotte, NC Duration: Contract - 11 months Pay Range: $65.05/hr (W2) Job ID: 408337 About BCforward BCforward is a leading global IT consulting and workforce solutions firm providing services and support to Fortune 500 and government clients. Founded in 1998, BCforward has grown with our customers needs into a full-service business solutions provider. With delivery centers and offices across North Ameri

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Contract

$65.00 - $65.05 per hour