Senior Network Engineer

Job DescriptionJob Description

Symmetrio is seeking multiple Senior Network Engineers to support a major enterprise network transformation initiative for our customer, a large government organization. This role centers on the implementation of Juniper MX960 routers and the transition from MC-LAG to EVPN/VXLAN fabrics.

This role will involve leading high-impact cutovers and migrations in a production environment, contributing to both hands-on implementation and network architecture design across a multi-overlay fabric.

This is a hybrid position based out of Philadelphia, salary is in the 110-150k range. This is a 12 month contract with the possibility of extension.

Responsibilities

• Lead the planning, prioritization, and execution of enterprise-scale Juniper router migrations (MX960 platform).
• Design and validate EVPN/VXLAN architectures with multiple overlays to ensure scalability, performance, and redundancy.
• Collaborate closely with the customer’s Network Engineering team to achieve seamless integration with minimal disruption during migrations.
• Configure, test, and deploy Junos OS across MX and EX platforms in production environments.
• Provide expert-level guidance on the migration from MC-LAG to EVPN, including design validation, testing, and troubleshooting.
• Develop and maintain detailed documentation for network designs, cutover strategies, and post-migration processes.
• Serve as a subject matter expert for Juniper routing, EVPN/VXLAN fabrics, and advanced routing protocols.
• Support after-hours cutovers and provide escalation assistance during critical events.

Requirements

• 7+ years of experience as a Network Engineer in enterprise or large data center environments.
• 5+ years of hands-on experience with Juniper MX and EX platforms.
• Strong knowledge of core routing protocols, particularly BGP and OSPF.
• Proficiency with Junos OS configuration and troubleshooting in production environments.
• Demonstrated experience supporting large-scale router replacement or network migration projects.
• Familiarity with EVPN design, deployment, and operations.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent communication and collaboration skills to work effectively with cross-functional engineering teams.

Qualifications

• Juniper certifications (JNCIP, JNCIE, or equivalent).
• Experience with network automation and scripting (Python, Ansible, etc.).
• Knowledge of security best practices in routing and switching.
• Familiarity with large-scale enterprise change management and documentation processes.

Benefits

• Health Care Plan (Medical, Dental & Vision)
• 401k Retirement Plan (4% match)
• Paid Time Off (Vacation, Sick & Public Holidays)