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Senior Computer Network Architect Jobs in Illinois

Knowledge of networking architecture, evaluating, and recommending new technologies to enhance current capabilities and performing needs assessments. * Knowledge of data and voice network design ...

The Implementations Network Enginee r will perform installation oversight, configuration, testing ... Work directly with customers, solution architects and vendor SMEs to implement changes and also ...

The Network Engineer will perform sustainment, maintenance, Problem and Change management services to help ensure secure, reliable, and uninterrupted availability of the Department of Defense IP ...

Senior Network Architect

Chicago, IL · On-site

$97K - $149K/yr

Role Overview The Senior Network Architect will be responsible for the strategy, design, and roadmap of Sargent & Lundy's enterprise network and connectivity services across data centers, colocation ...

Senior Network Architect

Chicago, IL · On-site

$97.86 - $149.51/hr

Role Overview The Senior Network Architect will be responsible for the strategy, design, and roadmap of Sargent & Lundy's enterprise network and connectivity services across data centers, colocation ...

Senior Network Architect

Springfield, IL · On-site

$54.29 - $84.15/hr

Degree in Computer Science, Management Information Systems, or technology related field preferred ... of current network architecture. Update as required on a timely basis. 10. Perform technical ...

Senior Network Architect

Chicago, IL · Hybrid

$97K - $149K/yr

Role Overview The Senior Network Architect will be responsible for the strategy, design, and roadmap of Sargent & Lundy's enterprise network and connectivity services across data centers, colocation ...

Senior Network Architect

Chicago, IL · Hybrid

$97K - $149K/yr

Role Overview The Senior Network Architect will be responsible for the strategy, design, and roadmap of Sargent & Lundy's enterprise network and connectivity services across data centers, colocation ...

Senior Network Architect

Springfield, IL · On-site

$54.29 - $84.15/hr

Degree in Computer Science, Management Information Systems, or technology related field preferred ... of current network architecture. Update as required on a timely basis. 10. Perform technical ...

Network Architect

Chicago, IL · On-site

$66.75 - $89.25/hr

Senior Healthcare IT Infrastructure Engineer responsible for secure, HIPAA-compliant infrastructure ... IAM, Snowflake, API Development, Amazon EC2, Application Architecture

Senior Network Architect

Springfield, IL · On-site

$54.29 - $84.15/hr

Degree in Computer Science, Management Information Systems, or technology related field preferred ... of current network architecture. Update as required on a timely basis. 10. Perform technical ...

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Senior Computer Network Architect information

What does a senior computer network architect do?

A Senior Computer Network Architect is responsible for designing, implementing, and maintaining complex data communication networks within an organization. They develop plans for new network solutions, upgrade existing hardware and software, and ensure the network's security and efficiency. These professionals often lead teams, collaborate with other IT specialists, and troubleshoot advanced networking issues. Their expertise ensures that an organization's communication infrastructure is reliable, scalable, and secure.

What are the key skills and qualifications needed to thrive as a senior computer network architect?

To thrive as a Senior Computer Network Architect, you need deep expertise in network design, security protocols, and troubleshooting, usually backed by a bachelor's degree in computer science or related field and several years of experience. Familiarity with network hardware, Cisco or Juniper systems, and certifications like CCNP or CCIE are highly valued. Strong analytical thinking, project management, and effective communication skills help you design scalable solutions and lead cross-functional teams. These skills and qualities are essential for building secure, reliable, and efficient network infrastructure that supports organizational goals.

What are the typical challenges faced by senior computer network architects when designing scalable enterprise networks?

Senior Computer Network Architects often encounter challenges such as integrating new technologies with legacy infrastructure, ensuring robust security while maintaining network performance, and designing scalable solutions that can adapt to future business growth. Balancing cost-effectiveness with high availability and redundancy is also a common consideration. Collaboration with IT security teams, business stakeholders, and network engineers is essential to align technical solutions with organizational goals and compliance requirements.

What is the difference between Senior Computer Network Architect vs Network Engineer?

AspectSenior Computer Network ArchitectNetwork Engineer
CredentialsBachelor's degree in Computer Science or related field; certifications like CCNP, CCIEBachelor's degree in Computer Science or related field; certifications like CCNA, CompTIA Network+
Work EnvironmentDesigns and plans complex network infrastructure, often in strategic rolesImplementing, configuring, and maintaining network systems
Employer & Industry UsageUsed in large enterprises, consulting firms, and organizations with complex networksCommon in IT departments across various industries, including small to medium businesses

The main difference between a Senior Computer Network Architect and a Network Engineer lies in their focus and responsibilities. Architects primarily design and plan network infrastructure, while engineers implement and maintain these systems. Both roles require relevant certifications and experience, but architects typically operate at a strategic level within larger organizations.

What are the most commonly searched types of Computer Network Architect jobs in Illinois?

The most popular types of Computer Network Architect jobs in Illinois are:

What are popular job titles related to Senior Computer Network Architect jobs in Illinois?

For Senior Computer Network Architect jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching Senior Computer Network Architect jobs in Illinois look for?

The top searched job categories for Senior Computer Network Architect jobs in Illinois are:

What cities in Illinois are hiring for Senior Computer Network Architect jobs?

Cities in Illinois with the most Senior Computer Network Architect job openings:

Computer Network Architect

Leidos

Scott Air Force Base, IL • On-site

$73K - $132K/yr

Full-time

Medical, Retirement, PTO

Re-posted 29 days ago


Leidos rating

8.3

Company rating: 8.3 out of 10

Based on 152 frontline employees who took The Breakroom Quiz

80th of 499 rated business services


Job description

Description

The Digital Sector of Leidos has multiple openings in our Joint Fires Network (JFN) NOC for a Network Engineer III supporting our Global Solutions Management-Operations II (GSMO-II) program at Scott AFB, IL.

POSITION SUMMARY:
Our customer, Defense Information Systems Agency (DISA), acts as the provider of GIG/Defense Information System Network (DISN) services to its customers, the department of Defense (DoD) and national security organizations. This position directly supports the DISA-provided GIG capabilities and services in the 24x7 DISA Global Operations Center (DGOC).   


PRIMARY RESPONSIBILITIES:

  • Execute network operations to include configuration and analysis of customer circuits across optical and electro-optical multiplexers, routers, and switches. 
  • Perform real-time circuit redesign (alternate routing) to restore customer connectivity during scheduled and unscheduled outages and maintenance actions. 
  • Work directly with internal and external customers, external government agencies, and other engineering tiers to ensure maximum network availability to minimize or eliminate mission and operational impact.
  • Proactively monitor network alarms across platform specific network management tools.
  • Perform a variety of change management tasks which include hardware replacement, software configurations, and ASI management. 
  • Utilize incident management applications to document all aspects of reported outages/degradations, isolations, escalations, and resolutions during the lifecycle of a service impacting network incident.                                         
  • Assess, identify and recommend resolutions to various network incidents and/or deficiencies leveraging knowledge in one or more of following: routers, switches, crypto devices, routing, CISCO, Juniper, MSPP, optical transport network, MPLS, time division multiplexing, SDH/SONET. 


BASIC QUALIFICATIONS:

  • Bachelor's degree and 4+ years of prior relevant experience; or equivalent combination of education and/or experience.
  • Hold DoD-8570 IAT Level 2 baseline certification (Security+ CE or equivalent) prior to start date. 
  • Able to work in a 24x7 shift work environment.
  • Possess deep understanding of both Transport and IP network topologies.
  • Must have an active DoD Top Secret security clearance.


PREFERRED QUALIFICATIONS:

  • Tech control facility or cyber transport experience
  • Circuit actions and vendor experience      
  • IP/Transport architecture experience   
  • Solarwinds and JIRA experience 
  • Telco NOC, inside or outside plant experience.
  • Experience with MS Office suite, i.e. Outlook, Excel, Word, Access, PowerPoint, TEAMs
  • Experience with one or more of the following: alarm surveillance, fault management, LAN maintenance, performance management, change management.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:June 18, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $73,450.00 - $132,775.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.


What Leidos employees say

Pay

Benefits

Hours and flexibility

Workplace

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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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