Senior Network Engineer

TEKsystems; Tucson (AZ); On-site; USD 100,000 - 110,000; Full time

Benefits offered by this job

Medical, dental & vision

401(k) Retirement Plan

Life Insurance

Short & long-term disability

HSA benefits

Job summary

TEKsystems seeks a Senior Network Engineer to design, implement, and maintain a robust enterprise network. You will work with Cisco routing and switching, Palo Alto firewalls, and VPN technologies across data center and campus environments.

You will lead network modernization projects, develop standards, and create technical documentation while collaborating with security, systems, and application teams to ensure performance and security. This is an onsite role based in Tucson, AZ.

Qualifications

• Bachelor's degree or equivalent in IT/engineering or related field.
• 5+ years designing, implementing, and supporting enterprise TCP/IP networks.
• Hands-on with Cisco routing & switching.
• Experience with Cisco ACI, MSO deployments, and Layer 2/3 design.

Responsibilities

• Design, implement, and maintain enterprise network infrastructure (Cisco-based).
• Configure routing protocols: EIGRP, OSPF, BGP.
• Manage VLANs, VPNs, ACLs, wireless, and firewalls.
• Install and support network management and monitoring platforms.
• Develop documentation, standards, and procedures.
• Collaborate with security, systems, and applications teams.

Skills

Cisco Routing & Switching

Palo Alto Firewalls

Data Center Networking

BGP / OSPF / EIGRP

VPN Technologies

Wireless Networking

Network Security

Troubleshooting & Root Cause Analysis

Network Engineering

Education

Bachelor's degree in Information Technology or related field

Tools

Cisco ACI

MSO (Multi-Site Orchestrator)

Job description

• Troubleshooting & Root Cause Analysis

Summary

The Senior Network Engineer is responsible for the design, implementation, administration, maintenance, and support of enterprise network infrastructure and related services. This role ensures the availability, performance, and security of network systems including routers, switches, firewalls, VPN technologies, wireless infrastructure, voice platforms, and critical business applications. The engineer provides technical leadership in evaluating, designing, implementing, and optimizing network solutions while maintaining service levels and operational continuity. This position also develops and enhances network standards, procedures, and methodologies to support business objectives and evolving technology requirements.

Key Responsibilities

• Design, implement, and maintain enterprise network infrastructure utilizing Cisco networking technologies.
• Configure and support routing protocols including EIGRP, OSPF, and BGP.
• Manage advanced IP networking technologies including VLANs, VPNs, load balancing, access control lists (ACLs), wireless networks, and firewalls.
• Install, configure, and support network management and monitoring platforms.
• Implement and support IP-based video and collaboration technologies.
• Evaluate emerging technologies and provide recommendations for infrastructure improvements and strategic initiatives.
• Develop technical documentation, implementation plans, standards, and operational procedures.
• Participate in projects related to network expansion, modernization, migration, and optimization.
• Troubleshoot and resolve complex network performance, connectivity, and infrastructure issues.
• Collaborate with infrastructure, security, systems, and application teams to support business objectives.
• Create and communicate project status updates and technical reports.
• Ensure adherence to organizational security, compliance, and operational standards.
• Research and assess new hardware, software, and networking technologies.

Minimum Qualifications

Education

Bachelor's degree in Information Technology, Computer Science, Engineering, or a related field, or an equivalent combination of education and relevant experience.

Experience

• Five (5)+ years of experience designing, implementing, and supporting enterprise TCP/IP network environments.
• Hands‑on experience with Cisco routing and switching technologies.
• Experience designing, implementing, and supporting Cisco ACI environments, including Multi‑Site Architecture (MSO) deployments.
• Experience with Layer 2 and Layer 3 network technologies, including VLAN design, SVI configuration, and migration efforts.
• Experience administering enterprise VPN solutions, including F5 APM.
• Experience deploying and managing Palo Alto Networks firewalls.
• Experience supporting data center networking environments.
• Experience troubleshooting complex network and infrastructure issues in enterprise environments.

Certifications (Preferred)

• Cisco Certified Network Associate (CCNA)
• Cisco Certified Network Professional (CCNP)
• Cisco Certified Internetwork Expert (CCIE)
• Palo Alto certifications and other industry‑recognized networking certifications are highly desirable.

Required Skills & Technical Expertise

Networking

• Expert knowledge of enterprise switching technologies, Spanning Tree, VLANs, trunking, and advanced routing concepts.
• Strong understanding of TCP/IP networking and enterprise architecture.
• Expertise with routing protocols including BGP, EIGRP, and OSPF.
• Experience with network segmentation, redundancy, high availability, and disaster recovery concepts.

Security

• Experience with Palo Alto Networks firewalls, including GlobalProtect and large‑scale enterprise deployments.
• Strong understanding of VPN technologies, access controls, and network security best practices.
• Familiarity with security monitoring, logging, and compliance requirements.

Cisco Technologies

• Cisco ACI and Multi‑Site Orchestrator (MSO)
• Cisco Catalyst and Nexus switching platforms
• Cisco DNA Center
• Cisco Identity Services Engine (ISE)
• Cisco 9800 Wireless LAN Controllers and wireless infrastructure

Voice & Collaboration

• Experience supporting Cisco Unified Communications environments, including:
• CUCM
• UCCX
• Finesse
• Supporting voice infrastructure technologies

Operations & Communication

• Ability to analyze and solve complex technical problems.
• Strong written and verbal communication skills.
• Ability to create technical documentation, procedures, and operational standards.
• Experience presenting technical recommendations to stakeholders and leadership.
• Ability to manage multiple priorities in a fast‑paced environment.

Preferred Experience

• Enterprise data center networking.
• Network automation and infrastructure‑as‑code concepts.
• Load balancing platforms.
• Cloud networking and hybrid infrastructure environments.
• Large‑scale enterprise network modernization initiatives.

Work Environment

This position primarily operates in an office and data center environment. Occasional lifting, equipment installation, and travel between facilities may be required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the position.

Top Skills

• Network Engineering
• Cisco Routing & Switching
• Palo Alto Firewalls
• Data Center Networking
• Cisco ACI
• BGP / OSPF / EIGRP
• VPN Technologies
• Wireless Networking
• Network Security
• Troubleshooting & Root Cause Analysis

Job Type & Location

This is a Permanent position based out of Tucson, AZ.

Pay And Benefits

The pay range for this position is $100000.00 - $110000.00/yr. Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job‑related factors. 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 Sep 18, 2026.

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.

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.

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.