Network Engineer V (Part-Time)Robert Half
Job Summary
Description
IPv6 SME / Senior Network Engineer
Location: Alexandria, VA (onsite)
Clearance Requirement: Ability to Obtain/Maintain Public Trust
Employment Type: Part-Time (Approximately 20 Hours per Week)
Overview
We are seeking an experienced IPv6 Subject Matter Expert (SME) / Senior Network Engineer to support a federal government network modernization initiative in Washington, DC. This individual will serve as the technical lead for IPv6 architecture, implementation, integration, and adoption across a complex enterprise environment.
The ideal candidate brings deep expertise in enterprise networking, network architecture, and IPv6 migration strategies, with the ability to advise stakeholders, lead technical discussions, develop implementation plans, and drive modernization efforts. This role requires a hands-on engineer who can operate independently while partnering with technical teams and senior leadership.
Responsibilities
Lead the planning, design, implementation, and expansion of IPv6 capabilities within a large enterprise environment.
Develop IPv6 architecture strategies, addressing plans, migration roadmaps, and implementation approaches.
Design, implement, and troubleshoot enterprise-scale network infrastructure supporting both IPv4 and IPv6 environments.
Create and maintain high-level and low-level design documentation, network diagrams, implementation plans, and technical standards.
Conduct network assessments, gap analyses, root cause analyses, and technical risk evaluations.
Support network modernization initiatives, including cloud, data center, LAN/WAN, remote access, and internet-facing environments.
Collaborate with infrastructure, security, and operations teams to integrate IPv6 into enterprise services and platforms.
Provide technical leadership during architecture reviews, troubleshooting efforts, and strategic planning sessions.
Communicate technical recommendations and project status to senior stakeholders and agency leadership.
Support Zero Trust architecture initiatives and enterprise security improvements.
Mentor technical team members and provide guidance on networking best practices.
Requirements
Required Qualifications
10+ years of experience in network engineering, network architecture, telecommunications, or infrastructure engineering.
5+ years of hands-on IPv6 experience including:
Architecture and design
Address planning
Routing and switching
Migration and transition strategies
Dual-stack environments
Troubleshooting and optimization
Experience designing, implementing, and supporting enterprise-scale IP networks.
Strong understanding of enterprise routing and switching technologies.
Experience with the following protocols and technologies:
BGP
OSPF / OSPFv3
EIGRP
IS-IS
IPv4 / IPv6
DNS
DHCP / DHCPv6
ICMP / ICMPv6
TCP/IP
SNMP
Experience with network security technologies including:
Firewalls
Access control
Network segmentation
Security monitoring
Experience with:
Cisco networking solutions
F5 technologies
CrowdStrike
Strong experience creating:
Network diagrams
High-Level Designs (HLDs)
Low-Level Designs (LLDs)
Implementation plans
Technical standards and procedures
Experience supporting large-scale network transformation or modernization initiatives.
Strong written, verbal, and presentation skills with the ability to communicate effectively to executive and technical audiences.
Experience designing and implementing Zero Trust architectures.
Preferred Qualifications
Federal Government networking experience.
Experience supporting IPv6 mandates, compliance requirements, or enterprise IPv6 readiness programs.
Experience developing IPv6 adoption and migration roadmaps.
Experience with IPv6-only environments.
Cloud networking experience within:
AWS
Microsoft Azure
Experience with virtualization and data center networking.
Experience integrating IPv6 with:
Firewalls
Load balancers
DNS/DHCP platforms
Identity and access management solutions
Security monitoring and management tools
Experience supporting:
Disaster recovery
Business continuity
Network resiliency
Infrastructure automation
Technology refresh initiatives
Certifications (Preferred)
One or more of the following certifications is highly desirable:
CCNP or CCIE
JNCIP or JNCIE
IPv6-specific certifications or credentials
AWS Advanced Networking Specialty
Microsoft Azure Network Engineer Associate
CISSP
Security+
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