Systems Engineer MID - BAN/WLAN

We are seeking an experienced Systems Engineer to support a large-scale, geographically dispersed enterprise network environment. The ideal candidate will bring expertise across LAN/WAN/WLAN, network boundary engineering, routing, switching, network security, and Tier III troubleshooting. This position will serve as a technical resource and escalation point for complex network issues while supporting engineering, configuration management, change management, lab validation, and future enterprise network solutions., * Lead efforts to identify, troubleshoot, analyze, and resolve complex network issues in a dynamic enterprise environment.

• Configure, maintain, and troubleshoot network infrastructure, including switches, routers, VLANs, wireless access points (APs), firewalls, and network sensors.
• Provide engineering expertise and operational support for a large-scale intranet environment.
• Serve as a Tier III escalation resource for complex incidents, including coordinating with vendors as necessary for incident resolution.
• Act as a subject matter expert and technical backstop for troubleshooting efforts involving multiple network disciplines.
• Apply knowledge of defense-in-depth principles to secure enterprise network infrastructure.
• Troubleshoot technologies and protocols including routing, switching, SD-WAN, WLAN, MPLS, VPNs, OSPF, BGP, EIGRP, switching protocols, and multicast.
• Collaborate with cross-functional engineering and operations teams to enhance network availability, performance, reliability, and security.
• Develop and maintain Engineering Implementation Plans (EIPs) supporting network changes and deployments.
• Create and manage change management tickets for deployments, maintenance activities, upgrades, and other network changes.
• Conduct Root Cause Analysis (RCA) in support of problem management activities and recurring incident resolution.
• Participate in engineering, architecture, and project meetings to design and develop future enterprise network solutions.
• Track engineering and operational work within an Agile/SAFe framework using JIRA.

Configuration Management Responsibilities

• Maintain version-controlled configuration baselines for network infrastructure devices.
• Maintain records of startup and running configurations, firmware versions, security policies, and associated network configuration data.
• Ensure configuration changes are documented, peer-reviewed, approved, and backed up to a centralized repository.
• Maintain change-tracking and rollback capabilities to support operational resilience and configuration recovery.
• Ensure network configurations remain compliant with applicable security guides and organizational cybersecurity policies.
• Conduct pre-production validation testing for firmware upgrades, configuration changes, and security patches.
• Perform testing within an isolated lab environment designed to mirror applicable production network topology and configurations.
• Validate network functionality, security policies, device interoperability, and performance against established baselines.
• Document testing results, identified risks, remediation requirements, and deployment recommendations.

• Bachelor’s degree with 8-12 years of relevant professional experience; or
• Master’s degree with 6-10 years of relevant professional experience.
• Equivalent education and experience substitutions may be considered.

Certifications:

• A DoD 8570.01 IAT Level III qualifying certification (such as CASP+, CISSP, or CCNP Security).
• A recognized network vendor certification (such as Cisco CCNA, CCNP, or CCIE).

Technical Skills & Expertise:

• Subject Matter Expertise in BAN/LAN/WAN/WLAN and Network Boundary engineering.
• Experience performing technical network maintenance, configuration, troubleshooting, and engineering activities.
• Experience providing Tier III escalation support in large-scale enterprise environments.
• Experience supporting networks of comparable scale to 16,000+ devices across 450+ geographically dispersed locations.
• Hands-on troubleshooting experience with routing, switching, SD-WAN, WLAN, MPLS, VPNs, OSPF, BGP, EIGRP, switching protocols, and multicast.
• Experience with SAFe Agile methodologies and JIRA.

Operational Requirements

• Willingness and ability to participate in an on-call rotation.
• Ability to perform scheduled and unscheduled work during off-hours, including maintenance windows, when required.
• Ability to travel up to 10%., * Previous experience supporting Navy or other federal government programs and environments.
• Experience with network automation and Infrastructure as Code (IaC) technologies and practices.
• Hands-on experience with automation technologies such as Ansible and Python.
• Experience with Arista networking technologies.
• Advanced Cisco networking certifications (CCNP or CCIE) are highly desirable.

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.

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