Windows/Linux System Administrator Jobs in Denver, CO

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Observability Engineer

NextGen Global Resources LLC

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Littleton, Colorado, USA

Contract

Grafana Administrator / Observability Engineer We are seeking a Grafana expert to lead and manage observability infrastructure across both on-prem and cloud environments. This role requires strong hands-on experience in Grafana administration, dashboard creation, and integration with monitoring tools. You will play a key role in designing, implementing, and maintaining a scalable observability platform. Key Responsibilities: Architect, design, and implement observability infrastructure Build an
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Posted 9 days ago

Senior Nifi Platform Engineer

Kforce Technology Staffing

•

Greenwood Village, Colorado, USA

Contract

RESPONSIBILITIES: Kforce is immediately seeking an experienced Senior Nifi Platform Engineer in support of our enterprise telecommunications and mass media client based in Greenwood Village, CO. We are seeking a highly skilled Senior Platform Engineer specializing in Apache NiFi administration and Linux systems. This role involves designing, deploying, and maintaining robust data flow solutions and ensuring operational stability across our platform infrastructure. Key Responsibilities: * Admini
Posted 31 days ago | Updated 10 hours ago

Principal Platform Engineer / Linux (Onsite)

RTX Corporation

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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
Posted 20 days ago | Updated 5 hours ago

Infrastructure Platform Engineer

Vaco by Highspring

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Remote

Contract

Job Title: Infrastructure Platform Engineer Job Type: Contract-to-hire Worksite Location: Fully Remote Industry: IT Services and IT Consulting Contract Hourly Compensation: $60.00 - $70.00 / hour W2 Salary Conversion: $120,000 - $145,000, based on experience and credentials Employee Benefits 401(k) Retirement Plan with Employer Match Medical, Vision, Prescription, Telehealth, & Dental Plans Life & Disability Insurance Unlimited Paid Time Off **Vaco is not seeking third-party support to aid in f
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Posted 12 days ago | Updated 10 days ago

Senior Principal Cyber Security Engineer

ManTech

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Denver, Colorado, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Senior Principal Cyber Security Engineer to join our team in the Denver, CO. Responsibilities include but are not limited to: Troubleshoot new and current data collection issuesTroubleshoot system issues that make the system unstable or unusable.Deploy and manage all supported and unsupported Splunk Add-ons that are required for specific data sourcesProvide documentation such as body of evidence documents (as needed), engineering documents
Posted 1 day ago | Updated 8 hours ago

Senior Principal Cyber Security Engineer

ManTech

•

Denver, Colorado, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Senior Principal Cyber Security Engineer to join our team in the Denver, CO. Responsibilities include but are not limited to: Troubleshoot new and current data collection issuesTroubleshoot system issues that make the system unstable or unusable.Deploy and manage all supported and unsupported Splunk Add-ons that are required for specific data sourcesProvide documentation such as body of evidence documents (as needed), engineering documents
Posted 2 days ago | Updated 5 hours ago

Sr. Software Engineer

Visa Inc.

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Highlands Ranch, Colorado, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 24 days ago | Updated 5 hours ago

Network Engineer / Systems Administrator (SA)

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Network Engineer / Systems Administrator (SA) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and proactive **Network Engineer / Systems Administrator (SA)** to join our team and play a pivotal role in maintaining and enhancing our IT infrastructure. In this role, you will be responsible for designing, implementing, and managing network systems, as well as ensuring the reliability, secur
Posted 60+ days ago | Updated 5 hours ago

Platform Engineer

VISION INFOTECH INC.

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Pennsylvania, USA

Contract, Third Party

Hi, Hope you're doing well!! Please find the requirement below. If you find yourself comfortable with the requirement please reply back with your updated resume or call me back at Position: Platform Engineer Location: Remote Duration: 12+ Months LinkedIN Client won't be able to sponsor any visa REQUIRED SKILLS Support infrastructure @ Amfamgroup which includes the other OpCos Write code in terraform and ansible, understand puppet, understand jboss/tomcat and help the App teams when needed
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Posted 10 days ago | Updated 3 days ago

Windows Engineer with Security

Hexaware Technologies, Inc

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Remote

Full-time

Position: Windows Engineer with Security Location: Chicago, IL (100% Remote) Hiring: Fulltime with Hexaware Technologies Mandatory Skills: Hyper-V, Nutanix, SCCM, Cloud Technologies, Security Remediation, Active Directory JD: The Engineer must have a BA/BS in computer science, related field, or equivalent experience with a focus on Security Remediation and Vulnerability Management.Must have 10+ years of overall technology experience, along with 3+ years supporting major implementations in lar
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Posted 10 days ago | Updated 3 days ago

Splunk Content Developer - Herndon, VA (Remote)

XFORIA Inc

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Remote

Contract

Role : Splunk Content Developer Project location : Herndon, VA (Remote) Content Development & Optimization Build, maintain, and optimize Splunk dashboards, alerts, and reports that give teams real-time, actionable visibility.Create, modify, and troubleshoot complex multi-layer searches and dashboards using advanced SPL commands, macros, and search chaining.Continuously evaluate and improve existing content for clarity, performance, and value.Write efficient searches and troubleshoot poorly writt
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Posted 3 days ago | Updated 3 days ago

Platform Engineer

Apex Systems

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Greenwood Village, Colorado, USA

Full-time

Job#: 2076992 Job Description: This role involves designing, deploying, and maintaining robust data flow solutions and ensuring operational stability across our platform infrastructure. Key Responsibilities: Design and implement secure, scalable data flows across diverse data sources.Manage Linux servers, ensuring system health, security, and efficiency.Develop automation scripts for deployment, monitoring, and maintenance tasks.Collaborate with cross-functional teams to support data-driven ini
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Posted 31 days ago | Updated 6 hours ago

Splunk Administrator- 100% Remote

Motion Recruitment Partners, LLC

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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:
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Posted 5 days ago | Updated 2 hours ago

Infrastructure Support Engineer

Source Code Technologies LLC

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Remote

Contract, Third Party

Position: Infrastructure Support Engineer Location: Remote Duration: 6 months Job Description: Provide Level 2 support for enterprise IT infrastructure including servers, networks, storage, and virtualization platforms.Monitor infrastructure health using tools like SolarWinds, Nagios, or similar, and respond to alerts in a timely manner.Perform routine maintenance and patch management of Windows/Linux servers and infrastructure components.Manage user access and identity services such as Activ
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Posted 8 days ago | Updated 8 days ago

Cybersecurity Engineer

Workday, Inc.

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Boulder, Colorado, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h
Posted 42 days ago | Updated 5 hours ago

Vulnerability Specialist

CIMA

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Remote

Contract

Job Title: Vulnerability Consultant NO C2C Company: CIMA Location: Remote Engagement Type: Contract (3 Months) Hours: Full-Time (40 hours/week) Position Overview: CIMA is seeking a Vulnerability Consultant to lead critical security initiatives aimed at reducing system vulnerabilities, establishing a mature patching program, and ensuring alignment with key compliance frameworks. This is a remote, full-time, 3-month contract opportunity ideal for a consultant with deep experience in vulnerability
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Posted 9 days ago

Principal Platform Engineer----Remote Position

Business Integra

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Remote

Contract

Role:- Principal Platform Engineer Location:- Plano, TX (Remote Position) How You ll Help Us: A Principal Platform Engineer is first and foremost a software developer who specializes in the domain of the processes and resources necessary to enable the development, build, test, deploy, and release of changes to enterprise applications delivered to market while ensuring this occurs as frequently as needed, with the least amount of error possible, and the maximum uptime. Our product, a dynamic virt
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Posted 2 days ago | Updated 2 days ago

Tier 2 Network Engineer

Parsons Services Company

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Boulder, Colorado, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for a sharp Tier 2 Network Engineer to join our growing team! In
Posted 8 days ago | Updated 5 hours ago

AppMod Senior Application Cloud Engineer

Smart Business IT Solutions Inc

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Remote

Full-time

SCOPE OF SERVICES: TASKS: Build automation scripts for AWS IaaS, PaaS, AKS, serverless, databases, secrets, andStorage services. Working to implement and support highly scalable, flexible, and resilient cloud architectures that provide solutions to solve business problems and accelerate the adoption of cloud services. Drive requirements for integrating several cloud capabilities and scenarios such as service availability, quality, correlation of usage and charges, and cost-efficient solution arc
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Posted 1 day ago

Software Engineer- Platform Identity (C++)

Splunk Inc.

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Remote or Boulder, 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 5 hours ago