Network Administrator

Description

This position is primarily focused on the day-to-day support, administration, optimization, and troubleshooting of a large enterprise Cisco-based network environment. Approximately 80-90% of the role will be dedicated to operational support, maintenance, and implementation activities, with 10-20% focused on project participation and network enhancements.

The ideal candidate will possess strong experience supporting Cisco networking technologies and be comfortable working across routing, switching, wireless, firewall, SD-WAN, and network security environments.

Essential Job Duties and Responsibilities

Network Operations & Support

• Provide day-to-day administration, support, monitoring, and troubleshooting of a multi-site global enterprise network environment.

• Support WAN, LAN, VLAN, SD-WAN, wireless, internet connectivity, and remote access services.

• Diagnose and resolve network-related incidents utilizing established operational procedures and best practices.

• Monitor network health, availability, capacity, and performance using enterprise monitoring tools.

• Participate in production support activities, root cause analysis, issue resolution, and documentation efforts.

• Manage and maintain network infrastructure across corporate offices, manufacturing facilities, and remote locations.

• Collaborate with infrastructure, security, server, cloud, and application teams to resolve cross-functional issues.

Cisco Infrastructure Support

• Federal Signal operates as an all-Cisco networking environment. Candidates should have experience supporting and troubleshooting Cisco-based networking infrastructure including:

• Cisco routing and switching technologies.

• Cisco Catalyst switching platforms.

• Cisco wireless environments utilizing Cisco 9800 Wireless LAN Controllers.

• Cisco Catalyst SD-WAN (formerly Viptela).

• Cisco firewall technologies including Cisco Firepower Threat Defense (FTD).

• Integrated security services within Cisco SD-WAN environments.

• Cisco network management and monitoring solutions.

Network Security

• Support and maintain network security controls and technologies.

• Troubleshoot connectivity issues involving firewalls, VPNs, security policies, and segmentation.

• Assist with the implementation and support of network access control and Zero Trust initiatives.

• Maintain understanding of firewall concepts including: Access control policies, NAT, VPN technologies, Security zones, Threat prevention capabilities

• Collaborate with cybersecurity teams to support compliance and security improvement initiatives.

Project Participation

• Participate in infrastructure modernization initiatives and technology refresh projects.

• Assist with network implementations, upgrades, migrations, and deployment activities.

• Contribute operational expertise to architecture and design discussions when required.

• Develop and maintain technical documentation, operational procedures, and network diagrams.

Upcoming Strategic Initiatives

• Cisco Identity Services Engine (ISE) deployments

• Network micro-segmentation projects

• Zero Trust Network Access (ZTNA) implementations

• 802.1X authentication initiatives

• Enterprise wireless hardware refresh programs

• DDI (DNS, DHCP, IPAM) redesign efforts

• Cloud redundancy and resiliency redesign initiatives

• Network security modernization projects

• Global infrastructure optimization efforts

This is a Contract to Hire position based out of Downers Grove, IL.

The pay range for this position is $50.00 - $60.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

This is a hybrid position in Downers Grove,IL.

This position is anticipated to close on Jul 28, 2026.

About TEKsystems

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.