Demo

Senior Network Engineer

Ascendion
Englewood, CO Full Time
POSTED ON 4/5/2026
AVAILABLE BEFORE 5/3/2026

About Ascendion

Ascendion is a full-service digital engineering solutions company. We make and manage software platforms and products that power growth and deliver captivating experiences to consumers and employees. Our engineering, cloud, data, experience design, and talent solution capabilities accelerate transformation and impact for enterprise clients. Headquartered in New Jersey, our workforce of 6,000 Ascenders delivers solutions from around the globe. Ascendion is built differently to engineer the next.


Ascendion | Engineering to elevate life


We have a culture built on opportunity, inclusion, and a spirit of partnership. Come, change the world with us:

Build the coolest tech for the world’s leading brands

Solve complex problems - and learn new skills

Experience the power of transforming digital engineering for Fortune 500 clients

Master your craft with leading training programs and hands-on experience

Experience a community of change makers!

Join a culture of high-performing innovators with endless ideas and a passion for tech. Our culture is the fabric of our company, and it is what makes us unique and diverse. The way we share ideas, learning, experiences, successes, and joy allows everyone to be their best at Ascendion.


About the Role:


Job Title: Senior Network Engineer


Role Overview:

We are seeking an experienced Senior Network Engineer to design, implement, and support enterprise network infrastructure. This role requires deep expertise in routing, switching, and network architecture, along with the ability to assess and optimize existing network environments.


Key Responsibilities:


  • Design, implement, and maintain enterprise network infrastructure
  • Develop and document network architecture and design standards
  • Perform assessments of existing network environments to identify performance and capacity gaps
  • Configure and program routers and switches
  • Establish and manage network security, including firewalls and intrusion detection systems
  • Implement and support connectivity and access controls
  • Provide recommendations to optimize network performance and scalability
  • Test, tune, and maintain security devices and network systems
  • Manage network services from planning through implementation
  • Support data and voice communication technologies
  • Collaborate with cross-functional teams to ensure network reliability and efficiency


Required Qualifications:


  • 10 years of experience in network engineering
  • Strong hands-on experience with routing and switching
  • Solid knowledge of network protocols, hardware, and infrastructure
  • Experience with load balancers (F5, A10).
  • Experience with firewalls and network security technologies.
  • Strong understanding of network architecture and design
  • Experience assessing and optimizing enterprise network environments
  • Strong troubleshooting and analytical skills
  • Excellent communication and documentation skills


Preferred Qualifications:


  • Familiarity with intrusion detection systems (IDS/IPS)
  • Experience in large enterprise environments
  • Relevant certifications (CCNP, CCIE, JNCIP, etc.)


Salary and Other Compensation: The annual [salary/hourly rate] for this position is between [$120,000-130,000 annually]/[$60.00-70.00 per hour]. Factors which may affect pay within this range may include geography/market, skills, education, experience and other qualifications of the successful candidate.


Benefits: The Company offers the following benefits for this position, subject to applicable eligibility requirements: [medical insurance] [dental insurance] [vision insurance] [401(k) retirement plan] [long-term disability insurance] [short-term disability insurance] [5 personal days accrued each calendar year. The Paid time off benefits meet the paid sick and safe time laws that pertains to the City/ State] [10-15 days of paid vacation time] [6 paid holidays and 1 floating holiday per calendar year]


Want to change the world? Let us know.


Tell us about your experiences, education, and ambitions. Bring your knowledge, unique viewpoint, and creativity to the table. Let’s talk!

Salary : $120,000 - $130,000

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