Firewall Administration jobs in Commerce City, CO

Denver, Colorado

•

Today

Systems Engineer / IT Infrastructure Consultant (MSP) Location: Denver, CO (Hybrid) Employment Type: Full-Time | Direct Hire About the Opportunity SNI Technology is partnering with an established Managed IT Services organization that supports a diverse portfolio of small and mid-sized businesses throughout the Denver area. We are seeking a Senior Systems Engineer who enjoys wearing multiple hats as both a technical expert and a trusted technology advisor. This position is ideal for someone

Full-time

USD 80,000.00 - 95,000.00 per year

Perimeter Design Engineer

Remote

•

10d ago

Role Summary A highly experienced Perimeter Design Engineer is sought to support enterprise cybersecurity initiatives through advanced design, engineering, and governance of perimeter security solutions. This senior-level role involves developing scalable, secure, and resilient firewall architectures and leading technical projects focused on modernization, network segmentation, and security infrastructure. The engineer will serve as a technical leader, ensuring solutions meet security standards,

Easy Apply

Contract, Third Party

Depends on Experience

CYBER SECURITY

Remote or Hybrid in Wyoming, Michigan

•

6d ago

Cyber Security Analyst Healthcare (2-3 Years Experience)Company: AaraTech Inc About the RoleAaraTech Inc is seeking a motivated Cyber Security Analyst Healthcare (2-3 years experience) to support healthcare security operations, protect healthcare systems and applications, and safeguard sensitive patient data. This role focuses on monitoring cyber threats, identifying vulnerabilities, responding to security incidents, and supporting healthcare security and compliance requirements. Key Responsibil

Easy Apply

Contract

$70,000 - $75,000

Senior Systems Administrator

Aurora, Colorado

•

Today

Position Summary: The Senior Systems Administrator acts as the second tier of support for Meriplex's Technical Assistance Center (TAC) and reports to a TAC Manager. In addition to working within the TAC's ticketing system to resolve Level 2 end user issues, this role acts as the escalation point within the L2. The Senior Systems Administrator must deliver exemplary customer service and technical advice while following all SOPs to complete customer requests. The person in this position is respon

Full-time

USD 60,000.00 - 90,000.00 per year

OT/ICS Cyber Security Specialist

Commerce City, Colorado

•

Today

Phillips 66 & YOU - Together we can fuel the future Join a dynamic team dedicated to safeguarding critical operational technology environments in a fast-evolving industry. As an Advisor , OT Cyber Security, you will play a key role in protecting essential infrastructure by applying your technical expertise and collaborative spirit to real-world challenges. This position offers the opportunity to work hands-on with advanced technologies, contribute to meaningful projects, and make a tangible imp

Full-time

USD 125,100.00 - 152,900.00 per year

Sr Systems Security Engineer / Sr. Core Applications Administrator

Lone Tree, Colorado

•

Today

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

Full-time

USD 143,487.14 - 197,294.82 per year

Proton Systems Engineer - Remote

Remote or Raleigh, North Carolina

•

Today

Position Description Proton Technologies, Inc., an affiliate of Reynolds and Reynolds, is seeking a highly skilled Systems Engineer with strong server, hybrid cloud, and networking experience. This role will support both escalated service requests (Level 2-3) and assist our Cloud Migration and Projects teams with Azure environment work, hybrid domain configurations, and infrastructure deployments. This position is ideal for an engineer who can confidently navigate Azure AD / Entra ID, Windows

Full-time

USD 80,000.00 - 82,000.00 per year

Global Network Security Engineer (Remote)

Remote or Stamford, Connecticut

•

Today

We are looking for experienced Network Security professionals to join the Crane Co. Global Information Security Team in supporting our global security operations program. The ideal candidate will have a solid proficiency in networking and network security with a focus on enterprise firewall management, network segmentation, SD-WAN, SASE, ZTNA and NAC technologies. Previous security operations team experience is highly desired. On-site candidates preferred, but remote candidates will also be cons

Full-time

Application Security Engineer

Remote

•

Today

Overview Application Security Engineer Remote within the US Approximately 8 Month Contract (w/ possible extensions) Summary The Application Security Engineer candidate will have a strong background in cybersecurity and understanding of web application and zero trust proxy security practices. The primary responsibility of the Engineer will be to ensure the effective deployment, configuration, and maintenance of our systems for Global customers. This role requires expertise in Web Application F

Full-time

Sr. Systems Administrator

Denver, Colorado

•

Today

Senior Level Systems Administrator Why This is an Exciting Role: BI&A is seeking a Senior Systems Administrator to be responsible for managing technical support operations and leads a team providing 24/7 assistance to computer system and network users. Oversees help desk services, may include data center management, and ensures efficient resolution of IT issues while maintaining service level agreements. Experience and Qualifications: To be eligible for this demanding position, the ideal can

Full-time

USD 136,000.00 - 166,000.00 per year

Network Design Engineer

Aurora, Colorado

•

Today

The Digital Modernization Sector at Leidos has an opening for a Design Engineer (Campus Area Network/Local Area Network (CAN/LAN)) to support our customer's global enterprise networks. The CAN/LAN service network architecture provides solutions for modernizing network components while supporting service delivery for customer requirements in a mission-focused operational enterprise. Our team is completely replacing a global enterprise network while providing design, engineering, and transition fo

Full-time

USD 73,450.00 - 132,775.00 per year

Linux Administrator II

Westminster, Colorado

•

Today

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals

Full-time

USD 94,000.00 - 112,000.00 per year

Senior Principal OpenShift and Linux Platform Engineer - Remote

Remote or Eden Prairie, Minnesota

•

Today

Optum Tech is a global leader in health care innovation. Our teams develop cutting-edge solutions that help people live healthier lives and help make the health system work better for everyone. From advanced data analytics and AI to cybersecurity, we use innovative approaches to solve some of health care's most complex challenges. Your contributions here have the potential to change lives. Ready to build the next breakthrough? Join us to start Caring. Connecting. Growing together. Do you want t

Full-time

USD 134,600.00 - 230,800.00 per year

Network Design Engineer (CO)

Aurora, Colorado

•

Today

NewGen Technologies has an opening for a Design Engineer (Campus Area Network/Local Area Network (CAN/LAN)) to support our government customer's global enterprise networks. The CAN/LAN service network architecture provides solutions for modernizing network components while supporting service delivery for customer requirements in a mission-focused operational enterprise. Our team is completely replacing a global enterprise network while providing design, engineering, and transition for a wide ran

Full-time

Cloud Infrastructure Engineer (IT)

Louisville, Colorado

•

Today

Infleqtion is seeking an experienced Cloud Infrastructure Engineer to join our Information Technology team. This role is responsible for the engineering, administration, and ongoing expansion of our Microsoft Azure infrastructure while supporting our hybrid on-premises and cloud environment. Working closely with the IT Infrastructure Manager, you will help design, implement, and maintain the cloud platform supporting our global business operations, engineering teams, and future cloud initiative

Full-time

USD 110,000.00 - 130,000.00 per year

Sr. Tier III O&M Engineer

Aurora, Colorado

•

Today

The Digital Modernization Sector at Leidos is seeking a Sr. Tier operations and maintenance (O&M) engineer to support various WAN and LAN networks. Will provide incident resolution, routing changes, firewall changes; act as subject matter expert in WAN and LAN technologies; support intra- and inter- net and other data communications systems or segments of networked system. Description of Job Duties/Responsibilities: Support operations and maintenance activities and administer networks includin

Full-time

USD 92,300.00 - 166,850.00 per year

Network Administrator II

Westminster, Colorado

•

Today

Full-time

USD 94,000.00 - 112,000.00 per year

IT Systems Administrator Senior - IT

Greenwood Village, Colorado

•

Today

York Space Systems was founded to radically improve spacecraft affordability and reliability, transforming, and enabling next- generation space mission operations worldwide. Today, York is one of the most innovative aerospace companies, specializing in end-to-end customer solutions and the rapid production of spacecraft platforms. York's complete Space Segment Solution includes spacecraft production, payload integration, system integration & test, launch services, ground segment services, and mi

Full-time

USD 105,000.00 per year

Network Lead Engineer (IT)

Remote or Denver, Colorado

•

Today

Posting Date 07/15/2026 2000 16th St, Denver, Colorado, 80202-5117, United States of America Lead Network Engineer DaVita is seeking a highly skilled and experienced Lead Network Engineer (application integration) to join our IT Infrastructure Operations team. In this role, you will lead the in managing network support for application integration across multiple cloud and Saas environments. You will act as the senior technical escalation point for complex network issues, collaborate closely wi

Full-time

USD 115,000.00 - 183,000.00 per year

Sr Network Administrator

Golden, Colorado

•

Today

It's exciting to work for a company that makes the world measurably better. We're committed to bringing safety, quality, and customer focus to the business of advanced ceramics manufacturing. Job Title Sr Network Administrator The Senior Network Administrator will combine advanced technical expertise with leadership in complex, cross-functional, network projects and serve as a senior technical authority. The role is responsible for the design, implementation, administration, and optimization

Full-time

USD 112,767.00 - 155,055.00 per year

Firewall Administration jobs in Commerce City, CO, USA