Senior Network Engineer – Cisco Networking & Network Security

Job Description

Senior Network Engineer – Cisco Networking & Network Security

Overview / Summary

We are seeking an experienced Network Engineer to support, secure, and enhance enterprise network infrastructure across data centers, office locations, manufacturing environments, and cloud platforms.

The ideal candidate will have strong hands-on experience in Cisco routing and switching, enterprise network security, WAN technologies, and network operations. This role involves advanced troubleshooting, incident management, network engineering, security architecture support, and collaboration with cross-functional technical teams to maintain highly available and reliable network services.

Key Responsibilities

• Provide advanced support for network incidents, changes, and configurations.
• Lead troubleshooting and root-cause analysis for critical network service issues.
• Maintain secure and reliable network services across enterprise locations, data centers, manufacturing environments, and cloud platforms.
• Design, implement, and enhance network security architectures, policies, and services, including firewalls, proxies, Network Access Control (NAC), wireless security, and ZTNA/SASE.
• Configure, upgrade, and troubleshoot Cisco routing, switching, wireless, and network management platforms.
• Support network technologies such as Cisco ACI, SD-WAN, SD-Access, Catalyst Center, and Prisma.
• Collaborate with engineering, operations, development, and vendor teams to plan and deliver network upgrades, integrations, and new capabilities.
• Improve network monitoring, observability, and incident response processes.
• Identify network service risks and implement corrective actions.
• Develop and support network automation using scripting, APIs, Python, Ansible, and related tools.
• Maintain network documentation, service records, runbooks, and knowledge articles.
• Monitor operational metrics and contribute to continuous improvement initiatives.
• Provide technical guidance to support engineers and promote consistent operational handoffs across teams.
• Coordinate with vendors and service providers on troubleshooting, technology evaluations, and proof-of-concept activities.
  
  

Required Qualifications

• Bachelor's degree in Information Technology, Computer Science, Engineering, or a related field, or equivalent experience.
• 4+ years of experience in enterprise network engineering, network security engineering, or network operations.
• Experience with incident management and change management in large-scale enterprise environments.
• Hands-on experience with Cisco routing and switching technologies, including BGP, OSPF, Layer 2/Layer 3 technologies, and IOS XE or NX-OS.
• Experience supporting enterprise wireless, data center, WAN, and software-defined networking environments.
• Strong network troubleshooting and diagnostic skills, including packet captures and network log analysis.
• Experience supporting critical network services, major incident response, and on-call responsibilities.
• Strong written and verbal communication skills.
• Ability to collaborate effectively with technical teams and business stakeholders.
  
  

Preferred Qualifications

• Network security certifications such as PCNSE or networking certifications such as CCNP or CCIE.
• Experience with Python, REST APIs, Ansible, or other network automation tools.
• Familiarity with ITIL-based service management and tools such as ServiceNow or Rally.
• Experience with monitoring and observability platforms such as SolarWinds, ThousandEyes, Splunk, NetFlow, or Viavi Observer.
• Experience in manufacturing or operational technology environments.
• Security or cloud networking certifications such as Security+.
• Ability to adapt to evolving technologies and business priorities.
  
  

Work Schedule Requirements

• On-site work required four days per week.
• Participation in a 24/7 on-call rotation is required.
• Occasional early mornings, late evenings, and rotational weekend work may be required.
• Flexibility to work split shifts based on business needs is expected.
• Availability to support critical infrastructure and incident response activities outside standard business hours is required.
  
  

What Makes HTC A Great Place To Build Your Future

HTC Global Services wants you to join our team. Come build new things with us and advance your career. At HTC Global, you’ll collaborate with experts, work alongside clients, and be part of high-performing teams driving success together. You’ll have long-term opportunities to grow your career and develop skills in the latest emerging technologies.

At HTC Global Services, our employees have access to a comprehensive benefits package. Benefits can include Group Health (Medical, Dental, and Vision), Paid Time Off, Paid Holidays, 401(k) matching, Group Life and Disability insurance, Professional Development opportunities, Wellness programs, and a variety of other perks.

Our success as a company is built on inclusion and diversity. HTC Global Services is committed to providing a workplace free from discrimination and harassment, where every employee is treated with dignity and respect. We celebrate differences and believe that diverse cultures, perspectives, and skills drive innovation and success. HTC is an Equal Opportunity Employer and a proud National Minority Supplier. We seek to empower each individual, fostering an environment where everyone feels valued, included, and respected.