Sr. Network Engineer (Hybrid)

Location

Metro Washington DC region (Remote with on-site support as needed at Beltsville MD location).

Employment Type

Full-Time W2

Security Requirements

Must comply with federal security policies; eligible for Public Trust clearance

Position Summary

Serve as theSenior Network Engineerproviding technical labor support for high-performance network infrastructure. Responsibilities include designing implementing maintaining and optimizing networks; troubleshooting complex issues; enforcing security; and coordinating with stakeholders to ensure reliability scalability and compliance with all applicable policies.

Work in close coordination with program administrators project managers and operations staff responding to emails chats and calls within 2 business hours providing weekly activity reports and participating actively in all meetings.

Key Responsibilities

• Design implement and maintain high-performance network infrastructure including performance tuning and optimization for reliability and scalability.

• Develop and enforce network security policies procedures and best practices; perform regular security audits and vulnerability assessments.

• Manage and troubleshoot complex network issues across multiple sites and architectures; provide on-site services and support as needed at Beltsville MD.

• Serve as Subject Matter Expert (SME) for operation and maintenance of the Lantronix Out-of-Band Management environment escalating issues to support as required.

• Evaluate and implement emerging networking technologies and innovations to improve performance; develop and maintain network documentation diagrams and configurations.

• Guide and coordinate work of external Network Operations Center (NOC) to ensure optimal infrastructure operation; collaborate daily with NOC and site IT Points of Contact for issue resolution.

• Provide support to help desk for network-related escalations; maintain open communication with ARS location IT contacts.

• Plan implement and manage network connections SD-WAN IP routing VLANs QoS policies multicast configurations access control lists encryption and automation scripting (e.g. Python Ansible).

• Ensure compliance with federal regulations cybersecurity requirements IPv6 standards and Section 508 accessibility; produce required reports and deliverables.

Deliverables and Performance Measures

• Weekly: NOC coordination reports network connectivity/performance issue status updates activity report to Program Manager team calendar updates (2 days notice for leave).

• Bi-weekly: Network security audit reports with analysis and remediation plans.

• Monthly: Network performance reports with optimization recommendations.

• Quarterly: Network upgrade/expansion summary reports.

• Semi-annually: Reports on emerging networking technologies evaluation/implementation; network diagrams review.

• As needed: Updated network diagrams/configurations (within 2 business days of changes).

• Performance Standards: 100% documentation accuracy; proactive risk mitigation; high stakeholder engagement; network uptime meeting standards; task acknowledgment within 2 business hours; inventory updates within 3 business days of change.

Required Qualifications

• Bachelors degreein Computer Science Information Technology Network Engineering or related field (Masters or specialized HPC networking training preferred).

• Minimum 8 yearsof experience designing/implementing complex network architectures; configuring/managing routers switches firewalls; supporting data-intensive/scientific applications.

• Extensive experience with high-performance computing (HPC) environments/large-scale enterprise networks; SD-WAN IP routing (Internet2/commodity Internet); VLANs QoS multicast ACLs encryption.

• Proven skills in network troubleshooting security operations performance monitoring automation (Python Ansible) and vulnerability assessments.

• Deep knowledge of HPC networking community RE/Internet2 practices and interdisciplinary collaboration (computing/storage managers developers local operators ISPs).

• Strong problem-solving verbal/written communication project planning/execution and multidisciplinary teamwork skills.

• Ability to work independently under time constraints; manage multiple projects; perform on-site support as needed.

Preferred Qualifications

• Experience managing networks for scientific research/large datasets; cloud networking (AWS Azure); network virtualization (VMware NSX Cisco ACI).

• Background in federalenvironments with compliance (FISMA Moderate FOUO NIST STIGs).

What We Offer

• Competitive salary and benefits package commensurate with federal contractor rates for key personnel.

• Full benefits package professional development and access to government-furnished equipment (laptops PIV cards).

• Opportunity to support critical infrastructure in a high-impact research computing environment.

Symposit LLC is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race color religion sex age disability military status national origin or any other characteristic protected under federal state or applicable laws.

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