Network Engineer (Lead)

Snowcreek Consulting is supporting a DoD Client that is seeking a Secret-level cleared Network Engineer. This position will focus on Lifecycle Replacement (LCR) activities for enterprise network infrastructure, including end-of-service (EOS) and end-of-life (EOL) technology refresh initiatives across the enterprise environment.

The selected candidate will provide technical expertise for planning, staging, configuration, testing, implementation, and migration of enterprise network devices while ensuring compliance with DISA and DoD standards. This role is engineering-focused and is not responsible for incident management or operational Tier III escalation support., Perform lifecycle replacement and technology refresh activities for enterprise network infrastructure

Engineer, configure, test, and implement routers, switches, and associated network devices in accordance with approved engineering standards and security requirements

Develop and execute Engineering Implementation Plans (EIPs), migration plans, validation procedures, and rollback procedures

Support network modernization and hardware refresh initiatives across enterprise environments

Coordinate and execute maintenance windows, circuit migrations, and cutover activities with internal teams and customer stakeholders

Validate network device configurations for compliance with DISA STIGs and organizational security requirements

Perform configuration management, software upgrades, and hardware replacement activities

Analyze network designs and recommend improvements related to reliability, scalability, and maintainability

Create and maintain technical documentation, implementation procedures, diagrams, and as-built documentation

Collaborate with architecture, cybersecurity, and operations teams to ensure successful transition and deployment activities

Support testing and validation of network connectivity, routing, switching, and security functionality during implementation activities

Participate in continuous process improvement initiatives and standardization efforts

Provide technical guidance and mentorship to junior engineers and implementation personnel

Support occasional after-hours maintenance activities and scheduled implementation windows

EDUCATION/EXPERIENCE: Bachelor's degree and 8+ years of related experience; additional years of experience may be considered in lieu of degree, DoD 8570 IAT Level II certification required prior to start (Security+ CE or equivalent)

Advanced knowledge of enterprise routing and switching technologies

Experience implementing and supporting large-scale enterprise network infrastructure

Hands-on experience with routing protocols including BGP and OSPF

Experience with switching technologies including VLANs, STP, and Layer 2/Layer 3 network design

Strong understanding of IP networking, subnetting, and network troubleshooting methodologies

Experience performing network hardware refreshes, circuit migrations, and infrastructure modernization activities

Experience developing implementation plans, migration procedures, and technical documentation

Familiarity with DISA STIG compliance requirements and secure network configuration practices

Ability to coordinate and execute maintenance activities in a mission-focused enterprise environment

Ability to travel up to 25%, including potential OCONUS travel

Willingness to support scheduled after-hours maintenance windows as required

DESIRED QUALIFICATIONS:

Previous experience supporting DISA or DoD enterprise network environments

Experience with Cisco, Juniper, Aruba, or Palo Alto network technologies

Relevant vendor certifications such as CCNP, JNCIP, Aruba ACP, or equivalent

Experience with automation, scripting, or infrastructure-as-code concepts

Familiarity with ITIL processes and change management practices

Experience supporting large-scale network migration or modernization efforts

Active CISSP, CCNP, or equivalent advanced certification

CLEARANCE REQUIRED: US Citizenship required. Must hold an active Secret security clearance prior to start. Must be able to obtain and maintain a Top-Secret clearance.