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Senior Network Engineer
Job in
Creve Coeur, St. Louis County, Missouri, USA
Listed on 2026-06-27
Listing for:
Cushman & Wakefield
Full Time
position Listed on 2026-06-27
Job specializations:
-
IT/Tech
Systems Engineer, Cybersecurity -
Engineering
Systems Engineer, Cybersecurity
Job Description & How to Apply Below
Senior Network Engineer
Cushman & Wakefield is seeking a highly motivated Senior Network Engineer to focus on delivering the new Zero Trust Security standards to our Branch offices, Data Centers and Cloud environments.
Responsibilities- Design, implement, and support enterprise network services across LAN, WAN, SD-WAN, VPN, routing, switching, wireless, firewalls, and secure remote access
. - Provide senior hands‑on engineering expertise across Fortinet, Palo Alto, Silver Peak, Cisco branch and data centre networking
, and zero trust controls, ensuring solutions are scalable, supportable, and aligned to enterprise standards. - Translate platform standards and architectural direction into detailed designs, build configurations, and implementation plans.
- Deliver engineering outcomes across branch, campus, edge, cloud, and Azure networking
, including integration with VMware-hosted workloads
. - Own key engineering activities including network lifecycle management, capacity and resilience planning, service optimization, and remediation
. - Lead complex changes, migrations, and deployments such as SD-WAN transformations, branch refresh programmes, firewall and segmentation changes, and cloud connectivity enablement
. - Provide Level 4 escalation support for major incidents and complex technical issues, including deep troubleshooting, root cause analysis, recovery planning, and vendor engagement.
- Drive continuous improvement in network and security services through standardization, reliability improvements, documentation, and knowledge transfer.
- Work closely with security teams, operations teams, and managed service providers to ensure services are delivered securely, transitioned effectively, and operated to agreed standards.
- Travel to project sites, offices, data centres, and partner locations as required to support assessments, implementation activity, cutovers, stakeholder engagement, and critical go‑live or remediation work.
- Support the design, planning, implementation, and continuous improvement of secure, scalable, and high‑performing network services.
- Maintain global network performance, availability, integrity, and security to enterprise standards.
- Contribute to data centre, cloud and core infrastructure networking, lifecycle planning, upgrade strategies, and service roadmaps.
- Contribute to, produce, and maintain processes, procedures, operational and architectural documentation, that meet CIO/CTO Standards.
- Participate in global engineering initiatives and cross‑functional working groups.
- Deep hands‑on experience with Cisco enterprise networking and wireless
, including Cisco ISE as an authentication backend
, and Fortinet firewall, switching, wireless, and SD‑WAN
, including design and support of corporate wireless environments. - Strong expertise in Layer 2 / Layer 3 networking
, including routing protocols such as BGP, OSPF, and EIGRP
, plus high availability and segmentation design. - Extensive experience with SD‑WAN technologies
, particularly Silver Peak and Fortinet SD‑WAN
, including design, migration, implementation, optimisation, and support. - Strong experience in network security and zero trust models
, including firewall policy design, segmentation, secure access models, and Zscaler (ZIA, ZPA, ZDX) or equivalent SASE platforms. - Experience with Azure networking
, including hybrid connectivity, segmentation, and Virtual WAN Hub
, alongside networking integration with VMware environments
. - Good knowledge of monitoring and observability platforms such as Solar Winds
, and strong understanding of incident, problem, and change management in large enterprise environments. - Experience with automation and infrastructure‑as‑code
, using tools such as Python, Ansible, JSON, Jinja2 or YAML.
- Strong troubleshooting and analytical capability across complex enterprise environments.
- Ability to manage multiple priorities in a fast‑paced global setting.
- Clear communication, stakeholder engagement, and mentoring capability.
- Strong focus on delivery, ownership, and service reliability
.
- Cisco (routing, switching, wireless, Nexus, Meraki, ISE)
- Fortinet…
Position Requirements
10+ Years
work experience
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