Senior Network Engineer: OT/IT Automation Lead

Colonial Pipeline Co; Alpharetta (GA); On-site; USD 120,000 - 180,000; Full time

Job summary

Colonial Pipeline Company seeks a Senior Network Engineer to design, implement, and support enterprise and OT network infrastructure. You will lead projects, optimize performance, and mentor Tier 1/2 staff while working across IT and OT teams in a safety‑critical environment.

You will manage complex networks, perform maintenance, and drive automation using tools like Ansible and scripting languages. A strong background in Cisco, SD-WAN, and security is essential.

Qualifications

• Bachelor's degree in Engineering or Technology preferred.
• 7-9 years of progressively responsible experience implementing, administering, and managing complex technology infrastructure.
• In-depth technical knowledge of networking in highly virtualized, hyper-converged, hybrid, and cloud environments.
• Expert-level, hands-on experience in at least one of the following areas: route/switch, collaboration, or unified communications.
• Strong knowledge of IP networking, switching, firewalls, Cisco enterprise products, and system interaction within network environments.
• Professional-level knowledge of network transport technologies such as MPLS, VPN, DMVPN, 4G, IPSat, and optical transport from the customer side.
• Knowledge of infrastructure lifecycle practices, virtualization platforms such as VMware and Acropolis, cybersecurity practices, network virtualization, and automation.
• Demonstrated automation and scripting experience with tools such as Ansible, Shell, VBS, and/or Perl.
• Advanced troubleshooting, project management, vendor management, written and verbal communication, and analytical skills.
• Ability to work independently and across functions in a deadline-driven environment while demonstrating accountability, sound judgment, attention to detail, initiative, and leadership.

Responsibilities

• Plan, design, implement, configure, and support complex network systems across enterprise and OT environments.
• Install new networks and rebuild existing environments, including the configuration of hardware, peripherals, services, settings, directories, encryption, and related components in accordance with standards and operational requirements.
• Develop and maintain network installation, configuration, and system standards and procedures.
• Perform daily system validation by verifying the integrity and availability of network hardware, resources, critical systems, key processes, logs, and communications systems.
• Investigate and troubleshoot complex issues while serving as an escalation point and mentor for Tier 2 support requests.
• Perform performance tuning, hardware upgrades, and resource optimization, including configuration of interfaces, circuits, access control lists, and quality of service.
• Maintain network environmental and monitoring equipment.
• Manage small- to medium-scale projects, including timelines, budgets, and internal and external resources.
• Research and recommend innovative and automated approaches to network administration that improve scale, efficiency, and reliability.
• Provide technical leadership and expertise as a subject matter expert and internal consultant to peers, less-experienced engineers, and business partners.
• Analyze and propose enhancements to enterprise and OT environments and support the implementation of enterprise and OT security solutions.
• Follow change management and notification procedures and provide systems training to Tier 1 support personnel.
• Participate in an on-call rotation and support emergency response efforts, which may include training, short-term travel, and backfill duties.

Skills

Networking fundamentals

OT network expertise

Cisco enterprise products

Automation scripting

VMware networking

Troubleshooting

Project management

Vendor management

Communication

Analytical skills

Ansible

Shell scripting

VBS

Perl

Palo Alto SD-WAN

Cisco ACI

SD-WAN

Cisco Firepower

Cisco Collaboration

MPLS VPN

DMVPN

4G

IPSat

IP networking

Switching

Firewalls

Education

Bachelor's degree in Engineering or Technology

Tools

Ansible

Shell

VBS

Perl

VMware networking

Job description

Colonial Pipeline Company seeks a Senior Network Engineer to design, implement, and support enterprise and OT network infrastructure. You will lead projects, optimize performance, and mentor Tier 1/2 staff while working across IT and OT teams in a safety‑critical environment.

You will manage complex networks, perform maintenance, and drive automation using tools like Ansible and scripting languages. A strong background in Cisco, SD-WAN, and security is essential.