Senior Network Engineer

NXTKey Corporation has been delivering Information Technology, Information management, Information Assurance (IA) and cybersecurity solutions to US Federal Government and Commercial Clients 2005.

We are searching for aSenior Network Engineer to support our work for the National Center for Biotechnology Information (NCBI) at the National Library of Medicine (NLM), an institute of the National Institutes of Health.

This opportunity is full time and onsite at the NIH-NCBI in Bethesda, MD withoptionfor some remote work.

Ready to build the future of hybridonpremand cloud networking?

We'reseeking aSenior Network Engineer with a passion for designing and deploying high-performance networks. If you have deepexpertisewith

Arista EOS andCloud

Vision, and a proven track recordof modernizing legacy infrastructure,you'reexactly whowe'relooking  this role, youwon'tjustmaintainnetworks;you'llbe a technical leader, driving innovation and shaping our network architecture.

You'llwork with the latest technologies like Spine-and-Leaf,VxLAN, EVPN, and BGP, and use your Python scripting skills to automate everything you can.

This is your chance to be a key contributor to a critical scientific mission to improve health and advance medical breakthroughs.

Duties & Responsibilities:

Architect and Deploy:

Design and implement cutting-edge, high-performance network architectures, with a focus on Spine-and-Leaf designs.

Master Arista:

Leverage your deep knowledge of Arista's Extensible Operating System (EOS) andCloud

Vision platform.

Manage F5:

Configure and maintain F5 BIG-IP platforms, including virtual servers, pools, andi Rules.

Automate Everything:

Use Python and other Linux tools to automate network management and streamline operations.

Lead the Way:

Act as a technical leader, mentoring team members, handling complex issues, and serving as a subject matter expert.

Modernize and Support:

Evolve our legacy networks for cloud-native environments and provide expert support to resolve complex network issues.

Load Balanced Application Delivery:

Implement load balancing strategies (e.g., round robin, least connections) tooptimizeapplication performance and ensure high availability.

High Availability:

Setting up andmanage

Arista and F5 device clusters in active/standby or active/active configurations toprovidefailover capabilities.

AAA (Authentication, Authorization, and Accounting):

Strong knowledge of AAA frameworks for network access control. Hands-on experience configuring and managing

TACACS+, Radiusfor device administration security in Cisco ICE.

Network Hardware Lifecycle Management:
Responsible for all network device patching, including security fixes and OS updates. Track device vendor support timelines and manage end of life transitions to updated hardware models.

Network Monitoring:

Monitor network traffic and alerts for proactive management and capacity planning.

Provide up to date network metrics to all technical teams for better product development and troubleshooting.

Qualifications Required

10+ years of hands-on experience in network engineering.

A CCIE or similar advanced networking certification is a plus.

Strong experience with Arista EOS/Cloud Visionand F5  BIG-IP.

Proficiency in Python scripting and network automation.

Excellent communication skills and the ability to work independently.

Benefits and Salary

We attract the best people in the business with our competitive benefits package that includes medical, dental and vision coverage, 401k plan with employer contribution, paid holidays, vacation, and tuition reimbursement.

We offer a competitive salarycommensuratewith experience and location. The targeted range for this position is $110,000 - $160,000.

If you enjoy being a part of a high performing, professionalserviceand technology focused organization, please apply today!