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Sr Network Design Engineer Jobs in Colorado (NOW HIRING)

US BICES-X is seeking a skilled and proactive Senior Network Engineer to manage and optimize our ... Design, configure, and manage secure VPN connections to provide reliable communication between ...

ABOUT THE ROLE Sphinx is hiring a Senior Network Engineer to help design, build, secure, and maintain resilient network infrastructure supporting next-generation national security space systems. This ...

ABOUT THE ROLE Sphinx is hiring a Senior Network Engineer to help design, build, secure, and maintain resilient network infrastructure supporting next-generation national security space systems. This ...

Senior Network Engineer

Thornton, CO · On-site

$106K - $145K/yr

Experience with network system design, network architecture and technology and network ... The Network Engineering team is responsible for operating that network reliably and at scale. As a ...

Senior Network Automation Engineer

Boulder, CO · Remote

$107K - $147K/yr

Zayo is seeking a Senior Network Automation Engineer to be responsible for designing, implementing ... Design and develop automation scripts and tools using languages such as Python and frameworks like ...

Plan and perform network administration research, design development, and other assignments in conformance with network design, engineering and customer specification under the supervision of Lead ...

Support Senior Network Engineers with the design, configuration, installation, and test of IT network and boundary protection devices and systems within the MDA Enterprise. * Support Senior Network ...

We are seeking a Senior Network Security Engineer to join our Zero Trust team and serve as a hands ... Design and implement microsegmentation policies that enforce least-privilege network access across ...

Sr. Network Systems Engineer

Denver, CO · On-site

$133K - $186K/yr

About the Role Blue Origin is seeking an experienced Sr. Netwo rk Systems Engineer to join our ... Design, develop, and implement network and communications security (COMSEC) systems and ...

We are seeking a Senior Network Security Engineer to join our Zero Trust team and serve as a hands ... Design and implement microsegmentation policies that enforce least-privilege network access across ...

AT&T has an opening for a Design Engineer (Campus Area Network/Local Area Network (CAN/LAN)) to ... The CAN/LAN service network architecture provides solutions for modernizing network components ...

Perform highly advanced network/systems design, development, and integration from the start of a project life cycle to the end. * Provides and applies advanced engineering to highly complex ...

Perform highly advanced network/systems design, development, and integration from the start of a project life cycle to the end. * Provides and applies advanced engineering to highly complex ...

Perform highly advanced network/systems design, development, and integration from the start of a project life cycle to the end. * Provides and applies advanced engineering to highly complex ...

Showing results 41-60

Sr Network Design Engineer information

What are the key skills and qualifications needed to thrive as a Sr Network Design Engineer?

A Sr Network Design Engineer needs deep expertise in network architecture, protocols, and security, often supported by a bachelor's degree in a related field and certifications like CCNP or CCIE. Familiarity with network design tools (such as Cisco Prime or SolarWinds), routing and switching hardware, and network simulation software is essential. Strong analytical thinking, problem-solving, and communication skills help translate business requirements into robust technical solutions. These skills and qualifications are vital for building resilient, scalable networks that support organizational goals and maintain high performance.

What is a Sr Network Design Engineer?

Sr Network Design Engineers are senior-level professionals responsible for designing, planning, and implementing complex network infrastructures for organizations. They analyze business requirements, create detailed network architectures, select appropriate hardware and software, and ensure network performance, security, and scalability. These engineers also troubleshoot advanced issues, mentor junior staff, and stay up-to-date with the latest networking technologies to support evolving business needs.

What are some typical challenges faced by Sr Network Design Engineers when implementing large-scale network solutions?

Sr Network Design Engineers often encounter challenges such as integrating new technologies with legacy infrastructure, ensuring network scalability, and meeting stringent security requirements. Balancing performance, reliability, and cost within the design can also be complex, especially when collaborating with cross-functional teams like security, operations, and architecture. Additionally, they must stay current with rapidly evolving network protocols and best practices, while troubleshooting unforeseen issues during deployment.
What are popular job titles related to Sr Network Design Engineer jobs in Colorado? For Sr Network Design Engineer jobs in Colorado, the most frequently searched job titles are:
What job categories do people searching Sr Network Design Engineer jobs in Colorado look for? The top searched job categories for Sr Network Design Engineer jobs in Colorado are:
What cities in Colorado are hiring for Sr Network Design Engineer jobs? Cities in Colorado with the most Sr Network Design Engineer job openings:
Infographic showing various Sr Network Design Engineer job openings in Colorado as of August 2026, with employment types broken down into 1% Internship, 87% Full Time, 8% Part Time, and 4% Contract. Highlights an 84% Physical, 5% Hybrid, and 11% Remote job distribution.

Senior Network/Security Architect

Zayo Group LLC

Boulder, CO • On-site

$95K - $136K/yr

Full-time

Re-posted 13 days ago


Job description

Company Description

Zayo provides mission-critical bandwidth to the world’s most impactful companies, fueling the innovations that are transforming our society. Zayo’s 141,000-mile network in North America and Europe includes extensive metro connectivity to thousands of buildings and data centers. Zayo’s communications infrastructure solutions include dark fiber, private data networks, wavelengths, Ethernet, and dedicated Internet access. Zayo serves wireless and wireline carriers, media, tech, content, finance, healthcare and other large enterprises.

Sr. Network/Security Architect

ZAYO Managed services is a managed network service provider focused on creating technology solutions that fit our customer’s needs. Our customers are delighted by our focus on innovative customer solutions that enable their businesses to thrive. Our solutions provide a lower total cost of ownership while improving reliability, application performance, and network security.

The Sr. Network/Security Architect is the lead resource for all network engineering related responsibilities such as Network Designs, Network Security, Product Management and Escalation Resolution.  The Sr Network Architect primarily works on enterprise customers and assists product management testing and implementing new technologies in support of the ZAYO Networks vision. 

Responsibilities:

  • Participate and lead network planning, design, and deployment strategies with internal teams and customer engineering teams. 

  •  Develop and maintain network standards
  • Maintaining Fortigate Platform – adding/designing/implementing/upgrading new and existing hardware models to include chassis units(6K/7K). Monitoring CVEs and ensuring the platform is protected.

  • Create and maintain best practice documentation and other reference materials as needed to document technology policies, procedures, and methods

  • Engineer and implement network methods that are repeatable, scalable, and easily deployable across multiple enterprise environments

  • Provide assistance as needed to the Engineering and Operations teams for implementations, troubleshooting and repair of network installation and deployments.

  • Providing courteous and professional communication with internal departments, customers, and vendors

  • Ensuring ZAYO Networks’ standards are followed from beginning-to-end for each client and internal department interaction

  • Research and evaluate new hardware, software and virtualized products and solutions in support of internal projects and the product management team.

  • Facilitate discussions with senior leadership leading technical discussions of customer designs, escalations, and vendor updates.

  • Maintain relationships with Customer engineering teams and with all software and hardware vendors that support ZAYO Networks.

  • Be a continuous subject matter expert. Expected to be a go-to resource on all network related items.

  • Some travel required – Technical Conferences, Customer Visits, Vendor Visits, Company Meetings <20%

  • Other related tasks as assigned

Qualifications:

  • Network Engineering, design, and architecture expertise with exposure to the following areas:

    • Fortinet Security Appliances  

    • Managed Routers & Switches: Cisco, Brocade, and some Juniper 

    • Troubleshooting knowledge

    • Ansible and Python knowledge a plus
       

  • Mastery of TCP/IP protocol, IPv4 subnetting and knowledge of IPv6 addressing

  • Extensive knowledge of Network Diagnostics, protocols, and disciplines, BGP, OSPF, ZAYO, SNMP, VLANS, STP and VRF-LITE,

  • Knowledge of security and encryption technologies including IPSEC and GRE tunnels.

  • Ability to effectively troubleshoot complex network related issues.

  • Successful track record selecting and evaluating new network technologies that adhere to innovative industry trends and practices

Education/Experience:

  • Fortinet NSE7 or FCE preferred.

  • CCNP (Cisco Certified Network Professional) or CCIE (Cisco Certified Internetwork Expert)

  • Bachelor’s degree in Information Technology or equivalent work or military experience. 

  • 9+ years’ experience as a Sr Network Engineer or higher at an ISP/MSP or supporting a large Enterprise (500+ locations).

Estimated Base Salary Range: $95,800 - $136,900 USD/annually.

The base pay range shown is a guideline and reasonable estimate for this role. It takes into account the wide variety of factors that are considered in making compensation decisions. Actual compensation offered may vary from the posted range based upon geographic location, work experience, skill level, certifications, and other business and organizational needs. Non- sales roles may be eligible to participate in a discretionary annual incentive plan. Sales roles may be eligible to participate in a sales incentive plan.

Additionally, this position may be eligible for certain benefits, such as health insurance, life insurance, disability retirement plans, paid time off.

The posting will be active for a minimum of 3 days. The active posting will continue to extend by 3 days until the position is filled.

Benefits, Rewards & Wellness

  • Excellent Health, Dental & Vision Insurance

  • Retirement 401(k) Savings Plan

  • Generous paid time off policy including paid parental leave

Zayo provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, provincial or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.