Senior windows linux systems engineer jobs

Sr. Specialist, IT Security (Infrastructure)

Anaheim, California

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Today

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trus

Full-time

USD 96,000.00 - 178,000.00 per year

Sr. Staff / Principal Software Engineer - Linux Kernel & ARM Server Platforms

Santa Clara, California

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Today

Company: Qualcomm Technologies, Inc. Job Area: Engineering Group, Engineering Group > Software Engineering General Summary: Qualcomm is seeking a Sr. Staff / Principal-level Software Engineer to provide system-level technical leadership for next-generation ARM server platforms. This role spans Linux kernel, firmware, and platform software, with responsibility for shaping architecture, guiding cross-functional execution, and ensuring production-quality delivery for hyperscale datacenter enviro

Full-time

USD 180,600.00 - 271,000.00 per year

Sr Software Engineer (C++, AI/ML, OOP, Linux)

Milpitas, California

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Today

Company Overview KLA is a global leader in diversified electronics for the semiconductor manufacturing ecosystem. Virtually every electronic device in the world is produced using our technologies. No laptop, smartphone, wearable device, voice-controlled gadget, flexible screen, VR device or smart car would have made it into your hands without us. KLA invents systems and solutions for the manufacturing of wafers and reticles, integrated circuits, packaging, printed circuit boards and flat panel d

Full-time

USD 136,300.00 - 231,700.00 per year

Senior Systems Administrator

Colorado Springs, Colorado

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Today

Job ID: 2616842 Location: Colorado Springs, CO, US Date Posted: 2026-09-15 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_HYBRID Description SAIC seeks a highly experienced and energetic Senior System Administrator to support the US Space Force, Space Systems Command, in performing operational ma

Full-time

USD 80,001.00 - 120,000.00 per year

Sr. AWS Cloud Engineer III (6823)

Reston, Virginia

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3d ago

As a Sr. AWS Cloud Engineer, you will be a key player in architecting, designing, and implementing cloud solutions that empower our clients to leverage the full potential of cloud technologies. You will be responsible for the development of a robust and scalable cloud infrastructure, serve as a technical mentor who guides, supports and accelerates the professional growth of junior engineers, all while collaborating closely with cross-functional teams to ensure seamless integration and delivery t

Full-time

USD 220,000.00 - 290,000.00 per year

Sr. Infrastructure Engineer

Portland, Oregon

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Today

This position is designated as a hybrid role based out of our headquarters near Portland, Oregon. The current expectation is for employees to work onsite four days per week, subject to change based on business needs. This in-office requirement may be adjusted at the discretion of the company. OUTGROWN YOUR OWN BACKYARD? COME PLAY IN OURS. At Columbia, we're as passionate about the outdoors as you are. And while our gear is available worldwide, we're proud to be based in the Pacific Northwest, w

Full-time

Software Engineer Lead Principal

Lakehurst, New Jersey

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Today

Job ID: 2616356 Location: Lakehurst, NJ, US Date Posted: 2026-08-31 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 25% of the time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: ORA_ON_SITE Description SAIC is currently seeking a Lead Software Engineer to join our team in Lakehurst, NJ. The position requires onsite support (no remote) and an active Interim Secret clearance to begin

Full-time

USD 120,001.00 - 160,000.00 per year

Senior Windows Administrator

Remote or Roanoke, Virginia

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Today

Overview Empower AI is AI for government. Empower AI gives federal agency leaders the tools to elevate the potential of their workforce with a direct path for meaningful transformation. Headquartered in Reston, Va., Empower AI leverages three decades of experience solving complex challenges in Health, Defense, and Civilian missions. Our proven Empower AI Platform provides a practical, sustainable path for clients to achieve transformation that is true to who they are, what they do, how they wo

Full-time

USD 87,320.00 per year

Senior Security IAM Engineer

Seattle, Washington

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Today

Position summary: The Senior Security Engineer position will be part of the Enterprise Security organization consisting of IAM professionals across several technologies. This specific position will have a specialized role in directory services and SaaS applications! It will focus on large implementations of Entra ID with integrations with other directories, IDPs, applications, and automated workflows. We give technical direction, administer tools, and provide support for various security techno

Full-time

USD 168,200.00 per year

Senior Systems Administrator

Fort Meade, Maryland

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Today

Leidos has a new and exciting opportunity for a Systems Administrator in our Intelligence 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, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible

Full-time

USD 92,300.00 - 166,850.00 per year

Senior Software Developer

Dayton, Ohio

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Today

Join our innovative team and contribute to cutting-edge simulations! We are seeking a highly motivated and experienced Software Developer to join our growing team. In this role, you will be responsible for designing, developing, and maintaining software solutions for complex modeling and simulation applications. You will collaborate with a team of engineers and scientists to build robust, efficient, and scalable simulations for a variety of applications. Responsibilities: Design, develop, test

Full-time

Senior Vulnerability Research Engineer

Remote

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Today

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what's possible. Job Description: Parsons is seeking a Senior Vulnerability Research Engineer to join ou

Full-time

USD 148,300.00 - 266,900.00 per year

Senior Windows Architect / SME remote

Remote

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Today

Position Summary The Senior Infrastructure Automation Engineer will serve as a senior technical leader and subject matter expert driving infrastructure modernization across compute, storage, virtualization, Windows (preferred), Linux, cloud, and automation domains. This role requires a unique blend of hands-on engineering expertise and strategic architectural leadership, with responsibility for designing, building, and modernizing automation frameworks, infrastructure pipelines, and Infrastruct

Contract

90-125/hr

Senior Systems Engineer - Information Technology

Orlando, Florida

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30+d ago

Job Description WHAT WE'RE DOING Rotary and Mission Systems' Training, Logistics and Simulation (TLS) business is Lockheed Martin's center of excellence for training and logistics products and services, serving the U.S. military and more than 65 international customers around the world. Based in Orlando, TLS develops programs that teach service men and women skills to accomplish their most challenging missions - flying the world's most advanced fighter aircraft, navigating ships and driving ar

Full-time

USD 85,500.00 - 150,765.00 per year

Senior Systems Administrator-VDI

Fort Meade, Maryland

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Today

Tetrad Digital Integrity (TDI) is a leading-edge cybersecurity firm with a mission to safeguard and protect our customers from increasing threats and vulnerabilities in this digital age. TDI is seeking a Virtual Desktop Infrastructure Systems Administrator to support a DISA contract. The administrator will provide support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). This position is onsite 5 days/week in Fort Meade, MD and requires an active TS/SC

Full-time

USD 110,000.00 - 115,000.00 per year

Senior Security Analyst

Herndon, Virginia

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Today

Our client is a software company based in Herndon, VA that provides secure cloud enterprise software and data solutions for the US government, defense, and intelligence community. They are hiring for a hybrid Security Analyst (3 days on-site) to maintain cybersecurity and regulatory compliance within their cloud enterprise environments using FedRAMP. The technology stack includes Red Hat Linux, Windows Servers, containerization, and automation. This is an opportunity to build secure cloud envir

Easy Apply

Contract

$70 - $75

Senior Infrastructure Systems Administrator

Houston, Texas

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Today

Axiom Space is a human space exploration company, building era-defining space infrastructure and delivering technology-driven solutions that will empower civilization to transcend Earth. Beginning with Axiom Station, successor to the International Space Station, the company is pioneering a next-generation orbital settlement that will foster groundbreaking innovation and research in microgravity and drive the global space economy of tomorrow. Today, guided by the vision of leading humanity's expa

Full-time

Senior Software Engineer

Laurel, Maryland

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Today

About Leidos Leidos is a FORTUNE 500 company bringing a mix of innovative technology and sector expertise to customers in the national security, engineering, and health industries. We deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. The Leidos Intel Sector combines technology-enabled services and mission software capabilities to support Intelligence Community customers as they address evolving national security ch

Full-time

USD 131,300.00 - 237,350.00 per year

Sr Associate, Software Engineer

Salt Lake City, Utah

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Today

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers? mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trust

Full-time

CNO Developer (Senior Software Developer; Systems Software)

Columbia, Maryland

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Today

Knowledge of one or more platforms and operating systems and of programming languages such as Windows, Linux, C/C++ and Python. Assembly experience (any platform/processor) Ability to manage competing priorities in fast-paced mission environments Ability to identify and escalate operational risks early Active TS/SCI clearance w/CI Poly (or ability to obtain prior to starting) Bachelor's degree from an accredited college or university in a related discipline and 12+ years of experience; or a mas

Full-time