Senior Network Engineer

Key Responsibilities

Network Engineering & Infrastructure

• Analyze, design, implement, and support enterprise network infrastructure
• Engineer and maintain routing and switching environments using Cisco technologies
• Support network systems including:
  • Routers, switches, firewalls, and VPNs
  • Traffic QoS
  • VoIP and IP-based devices
  • Critical applications and services
• Manage network maintenance and upgrades to keep systems at appropriate release levels
• Specialize in one or more network engineering domains

Cisco & Network Technologies

• Design and implement routing protocols including:
  • EIGRP
  • BGP
  • OSPF
• Implement advanced IP routing, VLANs, SVI configurations, trunking, and access control lists
• Deploy and support:
  • Load balancing solutions
  • Wireless access points and controllers
  • Firewalls and VPN technologies
• Design, implement, and maintain Cisco ACI environments, including:
  • Multi-Site Architecture (MSO) for Data Centers

Implementation & Support

• Install, configure, and support network management systems
• Install, configure, and support IP-based video solutions
• Provide timely resolution of complex network problems
• Assist computer operators and staff with software and hardware-related issues
• Provide technical guidance and interpretation of specifications to internal teams

Vendor Evaluation & Documentation

• Evaluate new and existing network products and technologies
• Develop documentation and recommendations for vendor selection and implementation
• Assist with the formulation of technical specifications for network systems and services
• Research emerging hardware and software advancements

Operational Excellence

• Complete assigned work in accordance with:
  • Statements of Work (SOW)
  • Service Level Agreements (SLA)
  • Project plans
• Create and communicate detailed status reports following department standards
• Adhere to organizational safety, confidentiality, policy, and compliance standards

Minimum Qualifications

Education

• Bachelor's degree or equivalent combination of relevant education and experience

Experience

• Minimum 5 years of experience engineering, implementing, and supporting TCP/IP networks
• Hands-on experience with:
  • Cisco routers and switches
  • Layer 2/3 switching, VLANs, SVI configurations, and migrations
  • Cisco ACI environments with MSO Multi-Site Data Center architecture
  • Palo Alto Firewalls (Edge, 5450, 450 series, GlobalProtect)
  • F5 APM VPN
• Experience designing, implementing, and maintaining enterprise WAN and LAN environments

Certifications (Preferred)

• Cisco CCNA or Cisco CCIE preferred
• Additional industry-standard networking certifications a plus

Knowledge, Skills & Abilities

Core Technical Knowledge

• Expert-level switching, spanning-tree, VLAN trunking, and advanced routing (EIGRP and others)
• Strong knowledge of enterprise network systems and services:
  • Servers, routers, switches, firewalls, VPNs, VoIP, QoS, and IP devices
• In-depth understanding of routing protocols and their interaction with compute, storage, and infrastructure platforms
• Familiarity with:
  • Juniper networking appliances
  • Cisco UCCX, CUCM, Finesse, and voice platforms
  • Cisco 9800 Wireless LAN Controllers, access points, and profiles
  • Cisco ISE and DNA Center

Technical & Analytical Skills

• Advanced troubleshooting, configuration, and upgrade experience
• Strong problem-solving and analytical abilities
• Ability to define problems, collect data, and draw valid conclusions
• Comfortable interpreting complex technical drawings, diagrams, and documentation

Communication & Reporting

• Ability to write technical reports, procedures, and business correspondence
• Ability to present technical information clearly to varied audiences
• Strong verbal and written communication skills

Physical Demands & Work Environment

• Primarily office-based with prolonged sitting and computer use
• Requires close vision, color vision, and focus adjustment
• Occasional exposure to outdoor weather conditions
• Possible exposure to infectious organisms during routine or emergency situations
• Moderate noise levels in the work environment
• Reasonable accommodations may be made for individuals with disabilities

Key Skills Summary

• Network Engineering
• Cisco Routers & Switching
• WAN / LAN
• Firewalls & VPN
• Routing Protocols (EIGRP, BGP, OSPF)
• Cisco ACI
• Palo Alto Firewalls

Job Type & Location
This is a Contract to Hire position based out of Tucson, AZ.
Pay and Benefits
The pay range for this position is $55.00 - $65.00/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)
Workplace Type
This is a fully onsite position in Tucson,AZ.
Application Deadline
This position is anticipated to close on May 22, 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.