Linux / Unix Systems Administrator Jobs in Denver, CO

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Software Engineer (Java, MASH, Linux)

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Software Engineer (Java, MASH, Linux) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a talented and driven **Software Engineer (Java, MASH, Linux)** to join our team and contribute to the development of innovative, scalable software solutions. In this role, you will design, implement, and maintain Java-based applications, leverage MASH for middleware integration, and work within Linux environments t
Posted 60+ days ago | Updated 8 hours ago

Senior HPC Systems Engineer

RedLine Performance Solutions

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Remote

Full-time

RedLine Performance Solutions (RedLine) has been in the HPC solutions engineering services business for 25 years and is consistently determined to keep the "bar of excellence" quite high for new hires. This enables RedLine to accomplish what other firms cannot and promotes a high level of staff retention. We offer services ranging from full life cycle HPC systems engineering to remote managed services to HPC program analysis. We are seeking a Senior HPC Systems Engineer to join our NASA NACS Hig
Posted 3 hours ago

Senior Software Engineer, Enterprise Cloud (US Remote Available)

Splunk Inc.

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Colorado, USA

Full-time

Description Splunk, a Cisco company, is building a safer and more resilient digital world with an end-to-end full stack platform made for a hybrid, multi-cloud world. Leading enterprises use our unified security and observability platform to keep their digital systems secure and reliable. Our customers love our technology, but it's our caring employees that make Splunk stand out as an amazing career destination. No matter where in the world or what level of the organization, we approach our wor
Posted 60+ days ago | Updated 8 hours ago

Lead Site Reliability Engineer, Network - Remote

Cisco Systems, Inc.

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Remote

Full-time

Application window is open until further notice. The Meraki cloud supports millions of customer devices from 10 data centers around the world. Meraki's customer base has grown by a factor of 2-3 every year, serving billions of HTTP requests per day globally. Our customers depend on our products to run their critical infrastructure of network switches, security appliances, wireless APs and security cameras. As SREs at Meraki, we are responsible for building and growing the cloud that supports t
Posted 30 days ago | Updated 8 hours ago

Senior Network Engineer

Lockheed Martin Corporation

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Boulder, Colorado, USA

Full-time

Job Description In this role with the NextGen GEO Operations & Sustainment team, you be responsible for the successful implementation, integration, and sustainment support of a multi-site classified network with a variety of locations and vendor hardware. Responsibilities for a Network Engineer include but are not limited to: - Configuration and management of Juniper and Cisco switches and routers, firewalls, and support to system administration team in deployment at new sites. - Support the d
Posted 5 days ago | Updated 8 hours ago

Senior Drupal Developer

RedSalsa Technologies, Inc.

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Remote

Contract, Third Party

Perform Web Developer work in collaboration with the client Web Admin team as well as the Information Technology Unix Admin team to migrate existing web content from legacy, End of Life servers onto existing, current web servers which have already been configured for this purpose. They should be proficient in managing and migrating the environment to RHEL 8 with updated applications and modules requiring a highly skilled individual proficient in PHP, Drupal, and Apache. Focuses on server-side de
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Posted 5 days ago | Updated 3 hours ago

00439-Infrastructure Computing Engineer

Virginia Jobs

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Remote or Norfolk, Virginia, USA

Full-time

Title: 00439-Infrastructure Computing Engineer State Role Title: Info Technology Specialist Hiring Range: $90,000 - $110,000 Pay Band: 6 Agency: Norfolk State University Location:Norfolk State University Agency Website:NSU.edu Recruitment Type: General Public - G Job Duties The Office of Information Technology (OIT) manages the administrative and academic information technology resources for Norfolk State University. The Office of Information Technology (OIT) empowers University students,facult
Posted 60+ days ago | Updated 8 hours ago

Software Engineer - TS/SCI with Poly

Leidos

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Aurora, Colorado, USA

Full-time

Leidos is currently seeking a passionate Software Engineer, who is looking to make an impact on the world. Our engineering teams are highly adept at solving complex problems with the application of leading-edge technology, empowering the intelligence and war-fighter communities as they make mission-critical decisions. The Engineering team utilizes modern software tools to integrate with external data providers, ingest historical data, and stream in near real time to our user communities. Our tea
Posted 7 days ago | Updated 8 hours ago

Senior Backend Middleware Java Programmer - C13 - JERSEY CITY

Citi

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Remote or Jersey City, New Jersey, USA

Full-time

Job Description Java & Database Lead Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to de
Posted 1 day ago | Updated 8 hours ago

Network Engineer-Managed Services

CDW

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Illinois, USA

Full-time

At CDW, we make it happen, together. Trust, connection, and commitment are at the heart of how we work together to deliver for our customers. It's why we're coworkers, not just employees. Coworkers who genuinely believe in supporting our customers and one another. We collectively forge our path forward with a level of commitment that speaks to who we are and where we're headed. We're proud to share our story and Make Amazing Happen at CDW. Job Summary The primary purpose of this position is to
Posted 23 days ago | Updated 8 hours ago

DevSecOps Specialist

MSys Technologies - USA

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Remote

Contract

We are looking for Security DevSecOps Specialist Position. Below is the Job Description, please have a look and if you are available for this position, please get back to me along with your updated resume in word format with contact number. Job Title: Security DevSecOps Specialist Job location: 100% Remote (East Coast) Duration: Longterm Contract Job Description: 4+ years of experience in Linux system administration, security engineering, or DevSecOps.Proficiency in Linux system internals, acces
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Posted 13 days ago

Senior Network Engineer

Lockheed Martin

•

Boulder, Colorado, USA

Full-time

Job ID: 692414BR Date posted: Apr. 25, 2025 Description:In this role with the NextGen GEO Operations & Sustainment team, you be responsible for the successful implementation, integration, and sustainment support of a multi-site classified network with a variety of locations and vendor hardware. Responsibilities for a Network Engineer include but are not limited to: - Configuration and management of Juniper and Cisco switches and routers, firewalls, and support to system administration team in
Posted 8 days ago | Updated 17 hours ago

Axonius platform Administrator

Javen Technologies, Inc

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Remote

Third Party, Contract

Seeking an Axonius administration analyst for remote contract opportunity . If interested , share your word document resume, work authorization, expected hourly pay rate, current location, availability for remote work , skill stack and LinkedIn. Work Schedule: Typical 1st shift, with some flexibility Interviews: 2 rounds - MS Teams with Video. Responsible for supporting and managing the Axonius platform. Collaborate with IT teams to consolidate asset data from multiple sources into a unified
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Posted 1 hour ago

IT Network Engineer

Salas O'Brien Engineers Incorporated

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Remote

Full-time

Job Title: IT Network Engineer Location: Remote / Hybrid Experience Level: 5+ yrs At Salas O'Brien we tell our clients that we're engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That's why we're committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future. Building for the long-term means that all of our team members can expect to work
Posted 32 days ago | Updated 8 hours ago

QRadar Suite Endpoint Detection and Response (EDR)

intiGrow

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Remote

Third Party, Contract

100% Remote 1. QRadar Platform Expertise Architecture and components (Console, Event Collectors, Event Processors, Flow Collectors, Data Nodes) Log source integration and configuration Custom rules and building offenses Use Case Manager app and AQL (Advanced Query Language) DSM (Device Support Modules) tuning and extension Flow data and QFlow/QNi Offense management and tuning Asset profiles and identity integration 2. SIEM & Security Fundamentals Knowledge of security event types (e.g., logs fro
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Posted 25 days ago | Updated 20 days ago

IT Lead Auditor

M&T BANK CORPORATION

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Remote or Buffalo, New York, USA

Full-time

** Work Arrangement: This is a hybrid position requiring in-office work multiple days every week and will ideally be based in Buffalo, NY. Overview: This position is responsible for executing internal audit examinations over the Bank's Information Technology (IT) Engineering, Operations, Governance, Risk Management, and Architecture functions ensuring the timely and professional execution of the examinations in accordance with professional standards. Primary Responsibilities Plan, coordinate an
Posted 23 days ago | Updated 8 hours ago

QA Engineer

Judge Group, Inc.

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Boulder, Colorado, USA

Full-time

Location: Boulder, CO Salary: $100,000.00 USD Annually - $200,000.00 USD Annually Description: Company: Aerospace/Defense Position: Integration And Verification Engineer Location: Onsite in Boulder or Longmont CO Responsibilities include but are not limited to test planning, writing test objectives and scenarios, test procedures, performing integration, verification, and validation activities. Working as part of a technical team of software and integration engineers who successfully desig
Posted 54 days ago | Updated 5 hours ago

Lead Atlassian Consultant (Jira Admin)

Clovity, Inc.

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US

Full-time

Position: Lead Atlassian Consultant (Jira Admin) Location: Remote Duration: Full Time Working Time Zone : EST CORE SKILLS REQUIRED: Jira Administration,installation, Configuration, Maintenance, and Troubleshooting in a Linux environment. Strong experience on Data Centers
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Posted 4 days ago | Updated 1 day ago

Teamcenter Deployment @ USA 100% Remote - Contract

BURGEON IT SERVICES LLC

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Remote

Contract

Role: Teamcenter Deployment Engineer Location: Remote (based) Job Type: Long term contract Please share the resume by mail Job Overview: Our client is seeking a Teamcenter Deployment Engineer with strong experience deploying Teamcenter in a Linux environment. Must-Have Skills: Teamcenter deployment and installation experienceTeamcenter deployment on Linux OSGood-to-Have Skills: Teamcenter deployment on AWSOracle database administration experience
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Posted 7 days ago

System Administrator / Denver,CO(Remote ),3+ Months Contract

Suncap Technology

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Remote or Almont, Colorado, USA

Contract

Job Description Local to CO candidates only Location: Colorado Springs, CO( Remote ) Duration:3+ Months Contract System Admin's Statement of Work: Security Vulnerabilities Patching and Application Updates and Deployments 80% This position assists in providing technical support to Security Vulnerabilities. Patching and Application Patching and Deployments which includes the use of Client's incident/change order system and the following activities: Assist in the mission and support of the Tani
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Posted 44 days ago | Updated 5 hours ago