Network Operations Engineer L3

Overview

Job Title: Network Operations Engineer L3

Location: Hosuton, TX (Onsite)

Role Summary

We are looking for a Network Operations L3 Engineer to provide advanced operational support troubleshooting and implementation for enterprise network infrastructure. The role involves handling complex incidents, leading changes, and acting as an SME for Cisco Firewalls and Routing & Switching environments.

• Provide L3 support for production network environments including incident resolution, root cause analysis, and preventive actions
• Troubleshoot and resolve complex network issues related to routing, switching, and firewall technologies
• Configure, manage and optimize Cisco Firewalls ASA, Firepower, FTD including ACLs, NAT, VPN Site-to-Site, and Remote Access
• Policy changes, upgrades and failover scenarios
• Design, configure and support Routing & Switching infrastructure
• Routing protocols: OSPF, BGP, EIGRP
• Switching technologies: VLANs, STP, HSRP/VRRP, Port Channels
• Lead and execute network changes, upgrades, migrations, and maintenance activities following ITIL processes
• Act as escalation point for L2/NOC teams and mentor junior engineers
• Participate in problem management, RCA documentation, and service improvement initiatives
• Work closely with security, cloud, and application teams during outages and project activities
• Maintain technical documentation (HLD, LLD, SOPs, runbooks, change records)

• High Availability upgrades
• Routing & Switching
• Strong hands-on with Cisco Routers & Switches
• OSPF, BGP, EIGRP
• VLANs, STP, HSRP/VRRP, VPC, Ether Channel
• Troubleshooting
• Deep packet-level and protocol-level troubleshooting
• Handling high-severity incidents in production
• Cisco Firewalls, Cisco ASA, Firepower, FTD
• NAT, ACLs, IPsec, SSL VPN

• Exposure to Fortinet or Palo Alto firewalls
• Experience with Data Center or Enterprise networks
• Monitoring tools such as Solar Winds, PRTG, SNOW
• Basic understanding of cloud networking (Azure, AWS) connectivity
• ITIL process awareness (Incident, Change, Problem Management)

• 6 to 10 years of experience in Network Operations / Network Support
• Strong experience in L3 operational support roles
• Cisco certifications CCNP or CCIE preferred but not mandatory

• Comprehensive Medical Plan covering Medical, Dental, Vision
• Short Term and Long-Term Disability Coverage
• 401(k) Plan with Company match
• Life Insurance
• Paid Paternity and Maternity Leave

The range displayed on each job posting reflects the minimum and maximum salary target for the position across all US locations. Within the range, individual pay is determined by work location and job level and additional factors including job-related skills, experience, and relevant education or training. Depending on the position offered, other forms of compensation may be provided as part of overall compensation like an annual performance-based bonus, sales incentive pay and other forms of bonus or variable compensation.

Disclaimer
:
The compensation and benefits information provided herein is accurate as of the date of this posting. LTIMindtree is an equal opportunity employer that is committed to diversity in the workplace. Our employment decisions are made without regard to race, color, creed, religion, sex (including pregnancy, childbirth or related medical conditions), gender identity or expression, national origin, ancestry, age, family-care status, veteran status, marital status, civil union status, domestic partnership status, military service, handicap or disability or history of handicap or disability, genetic information, atypical hereditary cellular or blood trait, union affiliation, affectional or sexual orientation or preference, or any other characteristic protected by applicable federal, state, or local law.