Network administration senior specialist

The Network Administrator is responsible for the operational support, administration, maintenance, and continuous improvement of ABM's enterprise networking infrastructure across campus, branch, cloud, and hybrid environments. This role provides Tier I and Tier II support for enterprise network services, including routing, switching, wireless, SD-WAN, VPN, DNS, DHCP, and cloud networking technologies.

The Network Administrator works closely with Network Engineering, Cybersecurity, Cloud Operations, Service Desk, and business stakeholders to deliver secure, resilient, and highly available network services. The role supports network modernization initiatives, automation programs, observability platforms, and Zero Trust security objectives while maintaining operational excellence and customer satisfaction.

RESPONSIBILITIES

• Provide Tier I/Tier II operational support for enterprise LAN, WAN, WLAN, SD-WAN, VPN, DNS, DHCP, and Internet connectivity services.
• Monitor, troubleshoot, and resolve network performance, availability, and reliability issues.
• Install, configure, maintain, and support Cisco networking infrastructure including Catalyst switching, wireless controllers, and Meraki environments.
• Perform network refreshes, hardware replacements, software upgrades, and lifecycle management activities.
• Maintain network configurations, VLANs, routing protocols, wireless infrastructure, and IP address management.
• Support network security technologies including firewalls, NAC solutions, MFA integrations, segmentation, and secure remote access.
• Partner with Cybersecurity teams on vulnerability remediation, incident response, and infrastructure hardening initiatives.
• Utilize monitoring and observability platforms to proactively identify and remediate performance issues.
• Analyze packet captures, NetFlow data, latency issues, and application performance metrics.
• Support automation initiatives using Ansible, Terraform, Python, REST APIs, and Git-based workflows.
• Maintain network documentation, diagrams, standards, and operating procedures.
• Participate in project implementations, maintenance windows, and on-call support rotations.
• Perform other duties as assigned.

QUALIFICATIONS

Education:

• Bachelor’s degree preferred in Information Technology, Computer Science, or equivalent professional experience.

Experience:

• 4-5 years of experience supporting enterprise network infrastructure and network operations.
• Experience supporting Cisco enterprise networking environments.
• Experience with enterprise ITSM platforms such as ServiceNow.
• Strong troubleshooting and root cause analysis experience.

Other:

• Knowledge of Zero Trust Architecture, SASE, and Secure Service Edge (SSE).
• Strong analytical, communication, customer service, and collaboration skills.
• Ability to support after-hours maintenance activities and participate in on-call rotations.

Licenses:

• Preferable, but not required: CCNA, CCNP, CCIE additional advanced Cisco certifications.

Hybrid or remote work environment, based on business requirements. Minimal travel required. Ability to support scheduled maintenance windows, evenings, weekends, and on-call rotations as needed.

ABM (NYSE: ABM) is one of the world’s largest providers of integrated facility, engineering, and infrastructure solutions. Every day, our over 100,000 team members deliver essential services that make spaces cleaner, safer, and efficient, enhancing the overall occupant experience.

ABM serves a wide range of market sectors including commercial real estate, aviation, education, mission critical, and manufacturing and distribution. With over $8 billion in annual revenue and a blue-chip client base, ABM delivers innovative technologies and sustainable solutions that enhance facilities and empower clients to achieve their goals. Committed to creating smarter, more connected spaces, ABM is investing in the future to meet evolving challenges and build a healthier, thriving world. ABM: Driving possibility, together.

ABM is an Equal Employment Opportunity (EEO) employer that does not discriminate on the basis of any trait or characteristic protected by applicable federal, state, or local law, including disability and protected veteran status. ABM is committed to working with and providing reasonable accommodation to individuals with disabilities. If you have a disability and need assistance in completing the employment application, please call 888-328-8606. We will provide you with assistance and make a determination on your request for reasonable accommodation on a case-by-case basis.

ABM participates in the U.S. Department of Homeland Security E-Verify program. E-Verify is an internet-based system used to electronically confirm employment eligibility.

ABM is a military-friendly company proudly employing thousands of men and women who have served in the U.S. military. With ABM, you’ll have access to a world-class training program and ample opportunities to use the skills you developed while serving our country. Whether you’re looking for a frontline or professional position, you can find post-military career opportunities across ABM.

ABM directs all applicants to apply at www.abm.com/careers. ABM does not accept unsolicited resumes or submissions outside of this portal. Applicants should submit their application by clicking Apply Now.

For more information, visit www.abm.com.