Senior Network Engineer

Accenture Federal Services•Tampa, FL

30d•Onsite

About The Position

At Accenture Federal Services, our purpose is to help the US federal government strengthen the nation, enhance safety, and improve lives. Our team of over 13,000 professionals is dedicated to leveraging technology and innovation for clients across defense, national security, public safety, civilian, and military health organizations. As part of the global Accenture, Accenture Federal Services is a technology company recognized by Glassdoor as a Top 100 Best Place to Work. We foster a collaborative and supportive community that empowers individuals to grow, learn, and thrive through practical experience, certifications, and industry training. Join us to drive meaningful, lasting change that advances missions and propels the government forward. We are looking for an experienced Senior Network Engineer to lead the design, security, and optimization of mission-critical network infrastructure within a hybrid cloud/on-premises environment supporting DoW operations. This role demands profound expertise in enterprise networking, advanced security measures, data center architectures, network automation, and compliance-focused environments. You will act as a technical subject-matter expert, guide junior engineers, and spearhead modernization efforts within a highly secure, air-gapped enterprise. This position is based 100% on-site in Tampa, FL, with potential for up to 25% OCONUS travel.

Requirements

Bachelor’s degree in Computer Science, IT, Engineering, or 4 years of equivalent experience.
5 years of professional network engineering experience in enterprise or DoW environments.
Expert-level knowledge of TCP/IP, VLANs, routing, switching, subnetting, ACLs, and segmentation.
Hands-on expertise with Cisco enterprise gear (Catalyst, Nexus, ISE, TACACS+).
Strong experience with network security architectures and cyber-compliance.
An active TS/SCI clearance is required.

Responsibilities

Engineer, design, and maintain advanced Layer 2/Layer 3 network infrastructures across campus, data center, and hybrid cloud environments.
Lead deployment and lifecycle management for Cisco Catalyst 9300/9500 platforms, Cisco Nexus/NX OS switching, and network segmentation strategies.
Own routing design, traffic engineering, IP schema development, and network resilience planning.
Lead modernization initiatives, including migration toward data center–optimized or leaf-spine architectures.
Architect and administer enterprise 802.1X authentication using Cisco ISE.
Design and maintain TACACS+, RADIUS, AD/LDAP integrations, and secure access frameworks.
Implement dynamic VLAN assignment, machine/user authentication policies, and enterprise access control standards.
Lead networking design and integration for VMware ESXi/vCenter environments.
Oversee multi-tier connectivity for applications, storage, and virtual infrastructure.
Troubleshoot complex service dependencies across network, virtualization, and system layers.
Ensure network compliance with STIGs, RMF controls, FIPS requirements, and DoD cybersecurity mandates.
Enforce advanced security protections including DAI, DHCP snooping, port security, and encrypted management access.
Maintain secure boundary architectures and validate controlled ingress/egress paths.
Integrate network platforms with SIEM and monitoring stacks (Elastic, Zabbix, SolarWinds).
Lead advanced troubleshooting using packet captures, traffic analysis, authentication logs, and performance metrics.
Proactively optimize network performance, capacity, and availability.
Lead network upgrades (IOS-XE, NX-OS), patching, and failover planning.
Oversee and enforce change management (CAB) processes.
Maintain and review architecture documentation, topology diagrams, and configuration baselines.
Architect and validate network support for enterprise backup, continuity, and DR operations.
Ensure redundant paths, failover configurations, and restoration workflows.
Serve as a senior technical advisor to engineering, cybersecurity, cloud, and application teams.
Provide mentorship, code review, and technical oversight for junior and mid-level engineers.
Support architectural planning and provide impact analysis for new system initiatives.