Windows/Linux System Administrator Jobs in Denver, CO

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Event Services - Remote Network Support Technician

Allied Universal

•

Remote or Richardson, Texas, USA

Full-time

Overview Kick off your exciting career in Event Security with Allied Universal Event Services, the go-to leader in crowd management and event staffing. Dive into the action at sports stadiums, concerts, festivals, and convention centers, and thrive on the energy of being where it all happens. Join a lively team that services thousands of venues each year, ensuring safety and fun for everyone. Enjoy the perks of flexible part-time work that fits your lifestyle-ideal for students, retirees, or a
Posted 3 days ago | Updated 9 hours ago

Enterprise Application Administrator

RTX Corporation

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Massachusetts, USA

Full-time

Date Posted: 2025-06-17 Country: United States of America Location: RMA99: RTN Remote, Massachusetts Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are consi
Posted 10 days ago | Updated 9 hours ago

DevSecOps Engineer III

Sierra Nevada Corporation

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Lone Tree, Colorado, USA

Full-time

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS t
Posted 28 days ago | Updated 9 hours ago

REMOTE::Lead Systems Engineer ( DataDog Administration ON Linux) ::ONLY W2

FutureTech Consultants LLC

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Remote

Contract

Position : 25-01036 _ Lead Systems Engineer ( DataDog Administration ON Linux) Location: Washington, DC (REMOTE) Seeking a Lead Systems Engineer to support the Systems Monitoring initiatives. Responsible for software tool administration for systems and applications monitoring tools. Expertise with at least one of the Monitoring tools like DataDog and Service Now. DataDog Administration experience on Linux platform to instrument Java based applications running on Tomcat Application Server. Conf
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Posted 5 days ago | Updated 5 days ago

Remote Cybersecurity Engineer - SiteMinder to ForgeRock - Access Management

Software Guidance & Assistance

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Remote or Jacksonville, Florida, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for a Remote Cybersecurity Engineer - SiteMinder to ForgeRock - Access Management for a contract assignment with one of our premier Healthcare Services clients in Jacksonville, FL. Project Scope: Will be supporting application migration from SiteMinder to ForgeRock Candidates must have working experience with ForgeRock Access Management and ForgeRock Identity Gateway Responsibilities : Accountable for activities that ensure all user
Posted 11 days ago | Updated 7 hours ago

Property Systems Technical Engineer

Peterson Technology Partners

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Remote

Contract

Requirement Description: The Property Systems Technical Engineer assume responsibility in either support or project engineering roles.In both the roles the Property Systems Technical Engineer will communicate with various teams to deliver the required tasks towards Property Systems implementation and operation.Those include incident management tasks and ITIL best practices for Property Systems Technical Engineers allocated to support and project specific tasks and runbook implementation for thos
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Posted 7 days ago | Updated 17 hours ago

Cloud Solution Architect ? Direct-Hire/FTE - Remote (US-CST/EST)

INSPYR Solutions

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Remote or Cincinnati, Ohio, USA

Full-time

Cloud Solution Architect - Direct-Hire/FTE - Remote (US-CST/EST) Title: Cloud Solution Architect Location: Remote (US-CST/EST) Compensation: $145,000-155,000 Annual Base Salary Range Work Requirements: , Holders or Authorized to Work in the U.S. Join a cutting-edge digital transformation team at one of the world's most advanced industrial and aerospace innovators. This is a rare opportunity to lead impactful cloud migration work with global reach, high visibility, and significant career growth
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Posted 13 days ago | Updated 4 hours ago

Senior Principal Systems Engineer

RTX Corporation

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Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-01 Country: United States of America Location: CO112: Buckley AFB 18500 East 6th Ave 18500 East 6th Avenue Buckley AFB, Aurora, CO, 80011 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI with Polygraph The selected candidate will be a member of a specialized engineering team responsible for ensuring and m
Posted 21 hours ago | Updated 9 hours ago

Software Engineer - Web Applications

Lockheed Martin Corporation

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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
Posted 59 days ago | Updated 9 hours ago

Sr. Cyber Security Analyst - Incident Response

T. Rowe Price

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Remote or Maryland, USA

Full-time

Requisition Number: 76941 Position Title: External Description: Role Summary We're looking for a passionate and highly motivated professional to serve as a senior member of our Incident Response program. The Senior Cyber Security Analyst will use his or her experience and expert knowledge to defend our networks, systems, and data from attack. Understanding current tactics, techniques, and procedures used by adversaries you will apply that knowledge to the investigation of cyber-attacks, ensurin
Posted 18 days ago | Updated 9 hours ago

Lead Software Engineer, Imaging

Aduril Industries

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Boulder, Colorado, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c
Posted 4 days ago | Updated 9 hours ago

Sr. Cyber Security Analyst - Incident Response

T. Rowe Price

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Remote or Owings Mills, Maryland, USA

Full-time

At T. Rowe Price, we identify and actively invest in opportunities to help people thrive in an evolving world. As a premier global asset management organization with more than 85 years of experience, we provide investment solutions and a broad range of equity, fixed income, and multi-asset capabilities to individuals, advisors, institutions, and retirement plan sponsors. We take an active, independent approach to investing, offering our dynamic perspective and meaningful partnership so our clien
Posted 18 days ago | Updated 9 hours ago

Senior Cybersecurity Data Visualization Specialist (Security Clearance) - Remote Work - Local to DC Metro and FL

ICF

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Remote or Arlington, Virginia, USA

Full-time

ICF International seeks an experienced Senior Cybersecurity Data Visualization Specialist to support the research and development of new cyber analytic capabilities that will help the US protect and defend its networks and critical information systems. The successful cleared candidate will act as a Cybersecurity Data Visualization Specialist to support a large federal cyber security analytic program. Your work will contribute to the knowledge of how cyber-attacks work, how vulnerabilities are ex
Posted 23 days ago | Updated 9 hours ago

Azure Cloud Systems Engineer(Top Secret)

Navitas Business Consulting Inc

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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
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Posted 33 days ago | Updated 15 hours ago

Senior Cybersecurity Engineer - Penetration Tester

Target Corporation

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Remote or Brooklyn Park, Minnesota, USA

Full-time

The pay range is $95,000.00 - $171,000.00 Pay is based on several factors which vary based on position. These include labor markets and in some instances may include education, work experience and certifications. In addition to your pay, Target cares about and invests in you as a team member, so that you can take care of yourself and your family. Target offers eligible team members and their dependents comprehensive health benefits and programs, which may include medical, vision, dental, life i
Posted 10 days ago | Updated 9 hours ago

SOC Analyst_ Remote

Prudent Technologies and Consulting

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Remote

Contract

SOC Analyst_ Remote Contract Start Date: As soon as possible. Coverage Goal: True 24x7 SOC coverage Scheduling Flexibility: Initially aligned to New York business hours.Resources will gradually be rotated into evening/weekend shifts based on gaps. REQUIRED SKILL SET CrowdStrike EDR: Investigation, alert triage, threat hunting.Core Security Mechanisms in Windows: The IT environment is primarily windows. Candidates should have functional knowledge of core windows security mechanisms.Security Prin
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Posted 12 days ago | Updated 15 hours ago

Sr. Product Engineer - Enterprise Role Servers

Esri

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Remote

Full-time

Overview Join our team to help build innovative server-based products and solutions that integrate feature, imagery, and video analysis and exploitation into desktop and web experiences for timely geospatial intelligence. Apply your background and expertise to help define, design, and build our capabilities within the ArcGIS Video Server and Mission Server products as a Product Engineer in the Tysons R&D Center. ArcGIS Video Server indexes, searches, publishes, and streams videos as web-enable
Posted 23 days ago | Updated 9 hours ago

Network Infrastructure Engineer (Senior)

Leidos

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Remote

Full-time

Leidos is seeking a Sr. Network Management Engineer (Infrastructure Engineer) to join our AGUN migration team. PROGRAM SUMMARY: The AGUN program is a highly demanding mission and requires expert technical and professional management to support the Army's global wide area network and security infrastructure. You will be supporting a large and complex network migration and operations for the US Army. This role is remote and will include leadership of operations support staff and directing operati
Posted 36 days ago | Updated 9 hours ago

Desktop Support Technician, IT Operations

Tesla Motors

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Remote or Austin, Texas, USA

Full-time

Tesla is currently seeking a highly technical Desktop Support Technician to join our team onsite in Austin, TX. The IT Services position within the IT Operations team will be on the front lines of Tesla's IT systems support. As the face of IT, the Desktop Support Technician must have strong technical troubleshooting abilities, excellent communication skills and be willing to interface with a combination of both technical and non-technical departments. The primary tasks of this position will be t
Posted 4 days ago | Updated 9 hours ago

Senior Staff Firmware Engineer (Hybrid)

Becton Dickinson & Company

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Remote or Milpitas, California, USA

Full-time

Job Description Summary Seeking an experienced Senior Staff Firmware Engineer to lead the development and evolution of high-quality instrument control firmware for BD's flow cytometers. You will provide technical leadership and architectural guidance to ensure robust and reliable firmware solutions. As a key member of the firmware development team, you will architect, develop, debug, and document firmware that meets product requirements with high reliability and robustness. You will provide sig
Posted 52 days ago | Updated 9 hours ago