AECOM is seeking a Senior Network Technology & Security Consultant to support the design, implementation, and sustainment of secure enterprise and Operational Technology (OT) network environments. In this role, you will combine advanced networking expertise with applied security engineering to deliver resilient, standards-aligned infrastructure solutions for our commercial and Federal clients.
What You'll Do
- Design, configure, and deploy routed and switched network infrastructures across enterprise and OT environments.
- Architect and implement secure network segmentation, firewall policies, VPN configurations, and access control strategies.
- Configure network devices from baseline builds, including VLANs, QoS, STP, routing protocols, and high-availability configurations.
- Support sales engineering efforts by developing technical solutions and participating in client presentations.
- Conduct network and security assessments, identify vulnerabilities, and provide documented remediation recommendations.
- Install and commission physical network infrastructure, including rack-mounted equipment and fiber/copper connectivity.
- Support implementation of wireless solutions, including enterprise-grade WiFi systems.
- Develop and maintain detailed network diagrams, configuration documentation, and test plans.
- Provide in-person and remote troubleshooting and operational support.
- Travel to client sites within the United States as required (typically 1–2 trips per month).
What We're Looking For
- BA/BS in IT or related field + 8 years of related experience or demonstrated equivalency of experience and/or education; or AA/AS + 8 years of related experience; or HS/GED + 10 years of related experience.
- Minimum 5 years of experience implementing and configuring routed and switched network solutions in enterprise or industrial environments.
- Demonstrated hands-on experience with Layer 2/Layer 3 networking, including VLAN design, routing protocols, QoS, and network segmentation.
- Experience implementing network security technologies such as firewalls, VPNs, and access control systems.
- Due to the nature of the work, U.S. Citizenship is required.
Nice to Have
- Strong analytical, problem-solving, and technical documentation skills.
- Ability to independently deploy, troubleshoot, and support network infrastructure.
- Ability to lift and rack-mount equipment and climb ladders as required for installation activities.
- Excellent written and verbal communication skills; fluent in English (read, write, speak).
- Experience designing and implementing solutions using Cisco routing, switching, and security platforms.
- Advanced certifications such as CCNP, CCIE, CISSP, or equivalent industry credentials.
- Experience with identity and access control platforms (e.g., Cisco ISE) and multi-factor authentication solutions.
- Familiarity with Passive Optical LAN (POL), GPON, or XGS-PON technologies.
- Experience with enterprise WiFi deployments, controllers, and RF optimization.
- Experience with WAN routing, BGP, OSPF, EIGRP, and high-availability network architectures.
- Familiarity with industrial networking and OT security principles.
- Exposure to compliance frameworks such as NIST or ISO 27001.
- Experience supporting Federal or critical infrastructure projects.
Technical Stack
- Cisco routing, switching, and security platforms
- Firewalls, VPNs, Access control systems
- Cisco ISE, Multi-factor authentication
- Passive Optical LAN (POL), GPON, XGS-PON
- Enterprise WiFi systems
- BGP, OSPF, EIGRP
Benefits & Compensation
- Medical, dental, and vision coverage
- Life, AD&D, and disability benefits
- Paid time off and leaves of absences
- Voluntary benefits, perks, and flexible work options
- Well-being resources and an employee assistance program
- Business travel insurance and service recognition awards
- Retirement savings plan and employee stock purchase plan
Work Mode
This is an onsite position. Locations are within the United States.
As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.





