Windows Administrator Jobs in Denver, CO

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Operating System Specialist - THURS/FRI OFF DAYS

GovCIO

Remote

Full-time

Overview GovCIO is currently hiring for MULTIPLE Operating Systems Specialist(s) to support our customer, USPS' Network and Compute Technology (NCT) group. The NCT is responsible for the planning, development, implementation, and support of the USPS network and compute technology infrastructure. NCT enhances the postal network by implementing network segmentation, which divides the network into smaller parts to mitigate cybersecurity risks and improve performance. The NCT department manages lo

Windows Kernel Developer (C++)

Request Technology, LLC

Remote

Full-time

NO SPONSORSHIP Principal Kernel Engineer SALARY: $235,000 - $275,000 plus 10% bonus and pre-IPO stock LOCATION: remote You will focus on stopping ransomware. New features, bug fixes, performance enhancements, write high quality multithread. Safe code c++ in both Kernal mode win32 APIs and NT Kernal internals reverse engineering windows mini-filter drivers windows filter platform call out drivers SQL databricks rust c++ We deliver an anti-ransomware solution that breaks new ground as to what an a

Senior S/w Configuration Management Engineer [TS/SCI Poly], Onsite

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-09 Country: United States of America Location: CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, 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 At Raytheon, fresh thinking and possibilities are forged in times of change and you will be on the

Principal S/w Configuration Management Engineer [TS/SCI Poly], Onsite

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-09 Country: United States of America Location: CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, 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 At Raytheon, fresh thinking and possibilities are forged in times of change and you will be on the

Sr. Systems Administrator

Esri

Remote

Full-time

Overview Seeking highly motivated IT professional that's looking for a challenging position with a variety of responsibilities. We have an opening that will allow you to utilize your technical expertise to help build, secure, and grow enterprise scale infrastructure in a fast-paced environment. If you have a drive for success and work well with a diverse team, let's talk, and see if Esri is the right fit for your career. Responsibilities Provide support and maintenance for Microsoft Active Dir

PeopleSoft Administrator CAPPS Financials (State of Texas)

VST Consulting, Inc

Remote

Contract

Title: PeopleSoft Administrator Location: Austin Texas Exp: 15+ Years NOTE : Only State of Texas - CAPPS Experienced PeopleSoft Administrator Required Project Description: Provide subject matter expertise on PeopleSoft PUM upgrades and PeopleSoft administration. Administer and apply monthly CAPPS Financials updates to CAPPS HUB PeopleSoft system. Apply Linux and Windows critical security patches on a regular basis related to PeopleSoft application. Provide Production support for Education Mate

Sr Analyst Software Information Platforms (SAP BASIS HANA Administrator)

Cardinal Health

Ohio, USA

Full-time

Headquartered in Dublin, Ohio, Cardinal Health, Inc. (NYSE: CAH) is a global, integrated healthcare services and products company connecting patients, providers, payers, pharmacists and manufacturers for integrated care coordination and better patient management. Backed by nearly 100 years of experience, with more than 50,000 employees in nearly 60 countries, Cardinal Health ranks among the top 20 on the Fortune 500. What Application Development & Maintenance contributes to Cardinal Health Info

Senior Privileged Access Management (PAM) Engineer / CyberArk / Remote

Motion Recruitment Partners, LLC

Remote or Philadelphia, Pennsylvania, USA

Full-time

This global life sciences company is seeking a Senior IAM Engineer to support and scale their Privileged Access Management program. Operating across biotech, pharma, and healthcare manufacturing, the organization is deeply focused on data security and compliance - making this a great fit for someone who thrives in a large, regulated enterprise environment. This is a remote, long-term contract with potential to flip to perm. The CyberArk Engineer will act as the SME for their PAM stack, supportin

Remote Manager of Workspace Engineering/Azure/InTune/Office 365

Motion Recruitment Partners, LLC

Remote or Philadelphia, Pennsylvania, USA

Full-time

Are you looking for a modern IT leadership opportunity with cutting-edge technologies? Our client, a leading organization is seeking a Manager of Modern Workspace Engineering to drive enterprise-wide adoption of Microsoft 365, endpoint security, and automation technologies. This is a full-time position with excellent growth potential and direct influence over the company's digital workplace transformation. Here's the exciting part - this is your chance to lead a high-impact team focused on build

Middleware System Admin

isolve technology inc

Remote

Third Party, Contract

Role: Middle Tier Specialist / Middleware System Admin Location: Remote Client : USPS Duration: 12 months Note: candidates meet the residency requirements (Last 5 years in the US with no more than 6 months out of the country). List of tasks to be performed: Support USPS implemented middle tier technologies on Windows and Linux servers, including web and application servers, containers and container management technologies, messaging technologies, cloud platform and services, automation tools,

Virtual Desktop Infrastructure Administrator (Hybrid)

Barr Engineering

Remote or Minneapolis, Minnesota, USA

Full-time

The role - what you'll do Barr is seeking a Virtual Desktop Infrastructure (VDI) Administrator to join our Minneapolis, Minnesota, team. You will support Barr's Information Systems group by maintaining and optimizing an infrastructure environment composed of cloud, virtual, and physical systems. You will serve as the subject matter expert for our VDI environment (currently VMware) and play a key role in managing virtualization technologies that support a 1,000+ person company operating in the U

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

Datastage admin

HAYS

Remote

Contract

Datastage admin -- Contract or CTP - REMOTE - $ 69.42- $ 69.42/hr. The final salary or hourly wage, as applicable, paid to each candidate/applicant for this position is ultimately dependent on a variety of factors, including, but not limited to, the candidate's/applicant's qualifications, skills, and level of experience as well as the geographical location of the position. Applicants must be legally authorized to work in the United States. Sponsorship not available. Our client is seeking a Da

Principal Platform Engineer / Linux (Onsite)

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-06-12 Country: United States of America Location: CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, 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 At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to

GMS Support Engineer (eTerra)

GDH

Remote

Contract, Third Party

Job Description: Our client is seeking a highly skilled GMS Support Engineer with expertise in GE eTerra systems to join their dynamic team. This technical role involves supporting the configuration, maintenance, and operational processes of their Grid Management System (GMS). The ideal candidate will have a strong background in SCADA model updates, switch order management, and system administration on both server and client sides. This full-time position is remote, allowing for flexibility and

Splunk Administrator- 100% Remote

Motion Recruitment Partners, LLC

Remote or Arlington, Virginia, USA

Full-time

Splunk Administrator This company is seeking an experienced Splunk Administrator to manage and optimize their Splunk infrastructure. In this role, you'll ensure the performance, availability, and reliability of our data analytics platform. You'll work closely with cross-functional teams to implement monitoring solutions that enhance operational visibility and strengthen security across their IT environment. The company is located in Reston, VA and will remain 100% remote. What You Will Be Doing:

Citrix Architect - Remote

Visionsoft International

Remote

Contract

Citrix Architect Will close to submissions on 8/5 at 3:00PM EST. Interview Process: 2 rounds - virtual Duration of the Contract: 12 months Possibility for Extension: Yes Work Location: Role is 100% remote DAILY DUTIES / RESPONSIBILITIES: Mid-Senior level Citrix VDI Architect will be responsible for providing level-2 and level-3 technical support for Citrix/XenApps server environment. This position will analyze and evaluate major system project requirements of considerable complexity requiring a

Server Administrator

ConsultNet, LLC

Remote or Salt Lake City, Utah, USA

Full-time

Job Title: Server Administrator Location: Salt Lake City, UT (Onsite Position Monday-Friday) Duration: Contract, 2 years+ long-term Start date: ASAP Pay Range: $35.00-$50.00/hour W2 DOE Job Responsibilities: Maintain systems and the hosted services through continued monitoring, coordination of data backup, system troubleshooting and proactive security measures. Support the effort to implement advanced cybersecurity controls and monitoring. Support the evaluation of user requests or design spe

Citrix VDI Architect

Stellar Professionals LLC

Remote or Columbia, South Carolina, USA

Contract, Third Party

Mode of Interview: 2 rounds - virtual Work Location: Columbia, SC Work Arrangement: Remote Shift: EST Required Skills (rank in order of Importance): Effective communication skills (written and oral). Proven experience with Citrix/Xen Apps, VMware Administration, Microsoft Windows Servers, Citrix App Layering Team member training. Citrix Administration Certification Adaptable, flexible, and self-motivated with strong technical and problem solving skills. Preferred Skills (rank in order of Imp

Infrastructure Engineer - ENG05 - Cleared On-Site

Apex Systems

Aurora, Colorado, USA

Full-time

Job#: 2078219 Job Description: Apex Systems is seeking a Principal Platform Engineer / Linux with well-rounded Linux Infrastructure Engineering expertise to join an agile product team. The Ideal candidate will have experience in both traditional infrastructure design; provisioning of platform, storage, and networking resources for existing on-premise infrastructure hardware that ideally also has experience in emerging DevOps/DevSecOps & Modernized technologies. The Principal Platform Engineer wo