Senior Windows Linux Systems Engineer jobs

Cloud Systems Engineer (Windows/Linux) (Annapolis Junction, MD)

Annapolis, 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: Security+ Cert 15 years of experience as a System Administrator Bachelor's degree in a technical discipline 5 additional years of experience as a System Administrator may be substituted for a degree Job Description: Provide administration and support for Windows Server 2019 and 2022 environments, including Active Directory, DNS, Certificate Author

Full-time

USD 165,000.00 - 175,000.00 per year

Lead Infrastructure Engineer - Linux / Windows

Columbus, Ohio

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Today

Job Description Join Corporate Technology at JPMorganChase, where infrastructure engineers are empowered to build resilient, scalable platforms that power critical business intelligence capabilities across the firm. Here, your work directly enables data-driven decisions at enterprise scale-and you'll have the tools, autonomy, and collaborative environment to make a lasting impact. As a Lead Infrastructure Engineer at JPMorganChase within Corporate Technology, you will design, build, and operat

Full-time

Senior Linux/Unix IT Systems Administrator

Dahlgren, Virginia

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Today

Overview Job specifications are intended to present a descriptive list of the range of duties performed by employees. Specifications are not intended to reflect all duties performed within the job. SUMMARY: The Senior Systems Administrator shall demonstrate experience in systems administration in the following operating systems: UNIX, Linux, or Windows. The specialized experience includes Linux system administration of Redhat and security setup and updates (IAVA's); UNIX system administration

Full-time

USD 64.00 per hour

Senior Trading Systems Engineer, Low Latency, Onsite - R

Chicago, Illinois

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Yesterday

Senior Trading Systems Engineer, Low Latency, Onsite We are looking to hire a highly talented Senior Trading Systems Engineer to join the technology team. This Senior Trading Systems Engineer position is 100% Onsite and NOT open for Remote. Senior Trading 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 automation

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Full-time

$150,000 - $175,000

Sr Systems Engineer

Long Beach, California

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Today

Stand8 provides end to end IT solutions to enterprise partners across the United States and with offices in Los Angeles, New York, New Jersey, Atlanta, and more including internationally in Mexico and India. We are seeking a Systems Administrator / Systems Engineer to support enterprise infrastructure with a strong focus on system and application engineering, Active Directory administration, and privileged access management. This role will maintain secure and reliable Windows and Linux environm

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Contract

$75 - $85 per hour

Senior Linux Database Systems Administrator

Dahlgren, Virginia

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Today

Full-time

USD 64.00 per hour

Sr. Systems Engineer - Linux

San Diego, California

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8d ago

Title -Sr. Systems Engineer - Linux Location - San Diego, CA We are seeking an experienced Senior Systems Engineer to join our team. You will be responsible for managing and automating enterprise Linux/Unix platforms across VMware-based on-prem and hybrid environments. Ensures high availability, security compliance, and operational stability of mission-critical banking applications. You will also act as an L2/L3 System Engineer resource, working across IT Infrastructure teams in a regulated ban

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Full-time

130000 - 140000

Senior Windows Systems Administrator

No location provided

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Today

Overview DecisionPoint is seeking an experienced Senior Windows Systems Administrator to serve as a technical SME supporting enterprise Microsoft Windows Server, Active Directory, and IIS environments. The role requires advanced expertise in Windows administration, Active Directory, Group Policy, DNS, IIS, authentication, networking, and system troubleshooting. Responsibilities include maintaining mission-critical systems, resolving complex production issues, supporting virtualized environments,

Full-time

Senior Linux Systems Administrator

Colorado Springs, Colorado

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Today

Modern Technology Solutions, Inc. (MTSI) is searching for a Systems Administrator - Senior to support United States Space Force (USSF) by developing software in support of Space Systems Command (SSC) Defensive Cyber Operations rapid agile development of defensive cyber solutions to protect, defend, and respond to both ground and space based cyber adversarial threats. A successful candidate should be a leader and problem solver with a proven ability to deliver superior results as part of a high p

Full-time

USD 135,000.00 - 165,000.00 per year

Sr. Windows Systems Administrator TS/SCI Poly

Annapolis, Maryland

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Today

Senior Windows System Administrator; requires TS/SCI Polygraph up front. Leidos has a new and exciting opportunity for a Senior Windows System Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off,

Full-time

USD 116,350.00 - 210,325.00 per year

Sr. Systems Engineer - Linux

San Diego, California

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7d ago

Easy Apply

Full-time

120 - 130,000

Sr. Systems Engineer - Infra/Ops

Collegeville, Pennsylvania

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Today

Location: On Site Collegeville, PA Duration: 3+ year contract Benefits: ;/p> Seeking a Systems Engineer-IT to support IT infrastructure, systems administration, networking, virtualization, and automation efforts within a classified environment. This role will support both Windows and Linux environments, maintain critical infrastructure, automate administration tasks, and ensure secure, reliable operations across development and operational systems. Responsibilities Administer and maintain Wind

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Contract

$90 - $110 per hour

Sr Systems Engineer - RHEL Linux Engineer

Remote

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26d ago

Overview Join an amazing team that is consistently recognized for our achievements and culture, including our most recent Forbes award of being one of America's Best Midsize Employers for 2026! Position Summary: The Systems Engineer, Senior is a senior level position that works independently to design, implement, administer and support critical, high transactional systems that have direct customer, revenue and /or compliance impact. Mentors and shares technical expertise with less experienced

Full-time

USD 94,458.00 - 179,048.00 per year

Senior Windows Engineer

Laurel, Maryland

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Today

MANTECH is seeking a motivated, career and customer-oriented Senior Windows Engineer, to join our team in Laurel, MD. Become an integral part of a diverse team that delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. It is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO?s Enterprise Information Technology (EIT). EIT is MPO?s backbone- platform for all Enterprise users. Dat

Full-time

Sr Systems Engineer - AWS Cloud & Linux

Omaha, Nebraska

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Today

The Sr Systems Engineer, owns the AWS cloud environments and Linux systems that host DMSi's hosted SaaS applications. This role builds and manages cloud infrastructure through automation and infrastructure as code, administers and hardens the Linux fleet, and is a primary technical contributor to the availability and security of DMSi's hosted environments. The role works closely with security, development, and support teams to keep infrastructure reliable as it scales. RESPONSIBILITIES AND DUTI

Full-time

Senior Linux Systems Administrator

Princeton, New Jersey

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Today

Job ID: 2616382 Location: Princeton, NJ, US Date Posted: 2026-09-01 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_ON_SITE Description SAIC is recruiting for a Senior Linux Systems Administrator to join our program as a general technologist to support our NOAA GFDL program in Princeton, NJ serving the NOAA GF

Full-time

USD 80,001.00 - 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 Linux & Network Engineer

Annapolis, Maryland

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Senior Linux & Network Engineer in Annapolis, MD or Dallas, TX. This role reports to US Operations Manager. Position Summary: We are seeking a Senior Linux & Network Engineer to support and maintain highly available production environments. This role combines hands-on incident response, troubleshooting, infrastructure engineering, and operational improvements within a 24/7/365 environment. Key Responsibilities: * Serve as the primary tech

Contract

$70 - $72 hourly

Senior Linux Systems Administrator

Long Beach, California

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Today

Vast is developing next-generation space stations and space infrastructure using an incremental, hardware-rich, and low-cost approach. Vast is rapidly developing its multi-module Haven Station to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Haven Demo's 2025 success made Vast the only operational commercial space station company

Full-time

USD 123,000.00 - 174,600.00 per year

Senior Systems Engineer - Windows/SQL Services

New York, New York

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Today

Description & Requirements Description The Corporate Technology Group designs, deploys, and supports Bloomberg's platforms and systems used by more than 21,000 employees across 170+ offices worldwide. The team supports critical infrastructure services that enable internal applications, data platforms, engineering workflows, and enterprise operations across Bloomberg. What's the Role? As a Senior Systems Engineer, you'll help engineer, operate, and improve Bloomberg's globally distributed Win

Full-time

USD 130,000.00 - 225,000.00 per year