Federal Network Support Engineer Senior

Dunhill Government Solutions is hiring Senior Federal Network Support Engineers to provide expert-level technical infrastructure and software services support for an Azure core networking team within government cloud environments. This role is the highest tier of operational support for 24x7x365 operations, bringing specialized expertise in complex network architectures, advanced troubleshooting and architectural guidance for critical networking infrastructure, including physical and federal network layers, ExpressRoute, VPN, optical networking and emerging network services across air-gapped and secure federal facilities. This salaried role works 8x5 on weekdays with on-call support after core business hours, on site in Fairfax, VA.

Responsibilities:

• Serve as the final escalation point for complex and critical live-site incidents, customer-reported issues and deployment incidents
• Lead resolution of high-priority network incidents with 24x5 onsite coverage and 24x7 on-call requirements
• Perform advanced root cause analysis and develop comprehensive remediation strategies
• Design and implement solutions for complex networking scenarios involving federal cloud buildouts
• Provide technical consultation on ExpressRoute Direct architecture, capacity planning and optimization
• Lead optical SPAN monitoring initiatives and develop advanced mitigation strategies for network performance
• Architect end-to-end deployment solutions for ExpressRoute devices across multiple sites
• Develop and optimize network automation workflows, and design and validate complex configuration implementations for production environments
• Lead technical evaluation and integration of carrier and colocation partner services (such as ATT, BT, Verizon and Equinix)
• Develop advanced troubleshooting methodologies and knowledge base articles; create operational readiness frameworks and testing protocols for new service deployments
• Lead post-incident reviews, drive systemic improvements and provide technical mentorship to Tier 1 and Tier 1.5 engineers
• Contribute to capacity planning and infrastructure scaling, and take part in architectural review boards and technical governance
• Issue and manage Letters of Authorization (LOAs) with infrastructure partners, oversee contract sign-off for new partner integrations, and lead complex networking decommissioning in federal cloud environments
• Manage relationships with product groups and partner organizations, and drive continuous improvement across operational workflows

Required qualifications:

• Current Secret security clearance
• US citizen currently residing in the United States, holding an active US Passport
• Able to work on site in Fairfax, VA
• 7+ years of experience in network operations or technical support
• Strong understanding of enterprise networking concepts, including routing protocols (BGP, OSPF), MPLS and VPN technologies
• Solid knowledge of Azure networking services (ExpressRoute, VPN Gateway, Virtual WAN)
• Experience with network monitoring tools and SPAN/packet capture analysis
• Experience with ticketing systems and incident management processes
• Strong troubleshooting and problem-solving abilities, and excellent written and verbal communication skills
• Ability to work independently in an operational environment
• Strong attention to detail and commitment to documentation standards
• Customer service orientation with the ability to manage multiple priorities
• One or more of these certifications: CompTIA Network+, CompTIA Security+, an Azure certification, ACE-P (Arista Certified Engineer - Professional), ACE-E (Arista Certified Engineer - Expert), JNCIP-SP, JNCIP-ENT, JNCIE-SP, JNCIE-ENT, or CCNP (Cisco Certified Network Professional)

Preferred: Proficiency with network automation concepts and scripting (PowerShell, Python).

Location: On site (no telework) in Fairfax, VA. No travel required.

Schedule: Full-time, 40 hours/week; day shift, 8x5 weekdays with on-call support after core business hours.

Clearance: Active Secret clearance required. US Citizenship required.

Compensation: $101,000 - $126,676 per year

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