Principal Linux Systems Administrator Jobs in Phoenix, AZ

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Noc Technician

TEKsystems

Remote or Redmond, Washington, USA

Full-time

Description DESCRIPTION OF DUTIES Span of administration is production network hardware and software. Work with Engineers to define and build monitoring and documentation of all internal (corporate) and external (consumer) facing systems and applications. Data Center management including all hardware installation, out-of-band management (OOB) configuration, and remote hands support. Ensures optimum access, performance, capacity and availability of technologies deployed. Administers technology u

DFIR Restoration and Recovery System Administrator

Booz Allen Hamilton

Remote

Full-time

Job Number: R0210179 DFIR Restoration and Recovery System AdministratorThe Opportunity: Your combination of people skills and te chn ical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the te chn ology supporting Digital Forensics and Incident Response ( DFIR ) ? We're looking for a systems administrator to be one of the first resp ond ers helping organizations navigate through the investigation and recovery asso cia ted with

HVR Application Administrator

RTX Corporation

Arizona, USA

Full-time

Date Posted: 2025-06-10 Country: United States of America Location: RAZ99: RTN Remote, Arizona Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs

Senior High Performance Computing Engineer

Amgen Inc

Remote

Full-time

Career Category Information Systems Job Description Join Amgen's Mission of Serving Patients At Amgen, if you feel like you're part of something bigger, it's because you are. Our shared mission-to serve patients living with serious illnesses-drives all that we do. Since 1980, we've helped pioneer the world of biotech in our fight against the world's toughest diseases. With our focus on four therapeutic areas -Oncology, Inflammation, General Medicine, and Rare Disease- we reach millions of pat

UI Developer (.Net C#, APIs) Remote

Gainwell Technologies LLC

Remote or Milwaukee, Wisconsin, USA

Full-time

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have

Full Stack Platform Engineer

Kforce Technology Staffing

Remote or Madison, Wisconsin, USA

Third Party, Contract

RESPONSIBILITIES: Kforce has a client that is seeking a Full Stack Platform Engineer in Medison, WI. Summary: This position will have an initial focus on either private cloud service delivery or the delivery of infrastructure solutions running across both public (AWS, Google Cloud Platform and Azure) and private cloud environments, supporting the consolidation of five operating companies on-premise infrastructure services with an emphasis on leveraging infrastructure as code to provide applicat

Azure Cloud System Administrator

BlueHalo

Maryland, USA

Full-time

At BlueHalo an AV company, we don't just witness the future of national security - we create it. We're on the search for a Azure Cloud System Administrator to embark on challenging, mission-critical projects near any one of our nationwide facilities, directly impacting the nation's security and intelligence mission. In our team of problem solvers, innovators, technologists, and operators, you'll be at the forefront of driving meaningful change and making an enduring impact. The Azure Cloud Syst

Software Engineer - Web Applications

Lockheed Martin Corporation

Remote or King of Prussia, Pennsylvania, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio

Frontline Engineer

eBay Inc.

Pennsylvania, USA

Full-time

At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We're committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the futur

Tanium Administrator

Kforce Technology Staffing

Remote or Denver, Colorado, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a Tanium Administrator in Denver, CO; Charlotte, NC; Or Saint Louis, MO. Summary: We are seeking a Tanium Administrator to join our enterprise infrastructure operations team. While direct experience with Tanium is not required, candidates must bring a strong operational Linux background and the willingness to learn and own the Tanium platform. This role supports a high-security, on-premise environment managing over 170,000 endpoints and invo

Azure Cloud Systems Engineer(Top Secret)

Navitas Business Consulting Inc

Remote

Contract

Senior IT System Engineer (Cloud Engineer) to work remotely. The ideal candidate will possess deep expertise in cloud architecture, systems administration, and automation, and demonstrate strong problem-solving and communication skills in a dynamic, mission-critical environment. Responsibilities will include but are not limited to: Provide network and systems administration of cloud and hybrid environments (Azure GovCloud, M365 GCC High).Troubleshoot and escalate complex issues across VMs, serv

Navy Database Developer

Noblis

Remote or Pascagoula, Mississippi, USA

Full-time

Responsibilities Preference will be given to candidates located in Pascagoula, MS. However, we are open to candidates located in Norfolk, VA; Bath, ME; and San Diego, CA. We are seeking a highly skilled Database Developer with extensive experience scripting in SQL and working directly within U.S. Navy NTCSS (Naval Tactical Command Support System) environments. The ideal candidate will have a strong background in building, updating, and installing NTCSS databases, particularly for new ship cons

Senior Database Administrator

McKesson Corporation

Remote or Columbus, Ohio, USA

Full-time

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve - we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patien

Advanced Application and Infrastructure Support Engineer

Charles Schwab

Phoenix, Arizona, USA

Full-time

Your Opportunity At Schwab, you're empowered to make an impact on your career. Here, innovative thought meets creative problem solving, helping us "challenge the status quo" and transform the finance industry together. Security Production Engineering (SPE) is a pivotal component of our organizations' cyber security resilience, acting as a core contributor in enhancing the efficiency, effectiveness, scalability, and resilience of our cyber security applications and the infrastructure they run o

India Infrastructure Enginee - Azure/Patching

Convene Inc.

Remote or Chennai, Tamil Nadu, India

Contract

About Convene Inc. Convene, Inc. is a Tampa based, award-winning technology services organization with offices and resources throughout the US, Mexico, and India. We have successful, referenceable customers, competitive benefits, and high-growth opportunities. India Only - Infrastructure Engineer - Azure & Server Patching Seeking a hands-on engineer with strong on-prem experience, including core networking, server patching, and administration of Windows and Linux systems. Must have working know

Google Cloud Platform Cloud Engineer/ Denver, Colorado (Remote)-12 Months Contract

Suncap Technology

Remote or Denver, Colorado, USA

Contract

Local to CO Candidates only Title: Google Cloud Platform Cloud Engineer Location: Denver, Colorado (Remote) Duration: 12 Months Contract The Google Cloud Platform Cloud Engineer is responsible for implementing the designs and standards provided by the Cloud Architect and established by the Cloud Operations team as a whole and deploying application hosting environments using repeatable templates/tools/processes, with a primary focus on the Google Cloud Platform cloud platform within a DevOps stru

Senior System Software Engineer, Cloud Learning Platform

NVIDIA Corporation

Remote or Santa Clara, California, USA

Full-time

For over 25 years, NVIDIA has pioneered visual and accelerated computing. Today, we're defining the future of AI, equipping millions with groundbreaking tools and essential training to lead a new era of innovation. We empower developers to excel and do their life's work. We're seeking an innovative System Software Engineer, to design and build services that immerse learners in the practical application, deployment, and optimization of NVIDIA's innovative technologies. You will be instrumental in

Sr Systems Engineer - Mid Career

Lockheed Martin Corporation

Remote or Littleton, Colorado, USA

Full-time

Job Description WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. WHAT WE'RE DOING At Lockheed Martin, we're revolutionizing the aerospace and defense sector through groundbreakin

Software Engineering Advisors- Hybrid

Cigna

Remote or Plano, Texas, USA

Full-time

The job profile for this position is Software Engineering Advisor, which is a Band 4 Contributor Career Track Role with Cigna-Evernorth Services Inc. Responsibilities- Build, test, validate, and deploy DevOps pipeline to deliver applications and services at a high rate.Write code and develop predictive/heuristic models. Identify and automate manual processes, maintain Continuous Integration and Continuous Delivery (CI/CD), and provide design, analysis, and performance model improvements.Write u

Navy Database Development Manager

Noblis

Remote or Pascagoula, Mississippi, USA

Full-time

Responsibilities Preference will be given to candidates located in Pascagoula, MS. However, we are open to candidates located in Norfolk, VA; Bath, ME; and San Diego, CA. Noblis MSD has an opening for a Naval Tactical Command Support System (NTCSS) Database Development Manager to lead a team of IT and NTCSS support staff providing System Administrator services under the Fleet Support Services contract. This position will provide management support for 4 remote sites: Pascagoula, MS; Bath, ME;