Network Engineer, Senior

Senior Network Engineer

We are seeking a highly capable Senior Network Engineer to support the implementation, operation, and maintenance of enterprise network infrastructure across cloud and on-prem environments. This role is part of the Network Engineering team and is responsible for ensuring network stability, performance, and availability through strong operational execution and technical expertise. The ideal candidate has deep hands-on experience in troubleshooting, network configuration, and production support, and works closely with Principal and Consultant Network Engineers to implement solutions and maintain reliable network services.

Our leadership model is about developing great leaders at all levels and creating opportunities for our people to grow – personally, professionally, and financially. We are looking for leaders that are energized by creative and critical thinking, building and sustaining high-performing teams, getting results the right way, and fostering continuous learning.

Responsibilities

In this role, you will:

• Maintain network stability, performance, and availability through day-to-day operations
• Monitor network health, capacity, and utilization across enterprise environments
• Troubleshoot and resolve complex network incidents across WAN, LAN, data center, and cloud
• Support service requests including adds, moves, and changes (MACDs)
• Perform packet capture and traffic flow analysis to diagnose issues
• Execute network changes in accordance with change control processes
• Participate in scheduled maintenance windows, including after-hours and weekend work
• Provide timely incident response and escalation as needed
• Coordinate with vendors for circuit issues, hardware failures, and escalations
• Receive and implement build documents and technical designs from Principal and Consultant Network Engineers
• Configure and deploy network infrastructure according to specifications
• Provide operational feedback to improve engineering designs and standards
• Support network migration and infrastructure deployment activities
• Perform system analysis and interpret data for capacity planning and performance optimization
• Review and monitor network systems and processes to ensure availability and access
• Document configurations, operational procedures, and maintenance activities
• Maintain accurate records of network changes and updates
• Work closely with Consultant Network Engineers on engineering initiatives and deployments
• Support Principal Network Engineer architectures by providing operational insights and troubleshooting data
• Collaborate with cross-functional teams and application owners
• Contribute to continuous improvement of network operations and processes

Qualifications

Your knowledge and experience:

• Bachelor's degree or equivalent experience
• Requires a minimum of 5 years of relevant experience, preferably in enterprise networking
• Strong hands-on experience with: Cisco routing and switching (Catalyst, Nexus), Wireless networking (Cisco APs and controllers), Network security (Palo Alto, Cisco Firepower, VPN technologies), Load balancing (F5 or equivalent)
• Strong understanding of: Routing protocols (BGP, OSPF, EIGRP), Network segmentation (VRF, VLANs), WAN connectivity and troubleshooting
• Proven experience troubleshooting production network environments
• Experience with packet capture and traffic flow analysis
• Strong operational awareness and incident response capability
• Experience with Cisco ACI preferred
• Experience with Infoblox (DNS, DHCP, IPAM) preferred
• Cloud networking experience (Azure, AWS) preferred
• Experience with network monitoring tools (e.g., SolarWinds) preferred
• Familiarity with automation and scripting (Python, Ansible) preferred

This role requires employees to be in-office based on our hybrid workplace model, balancing purposeful in-person collaboration with flexibility. For most teams, this means coming into the office two days each week.

Employees living more than 50 miles from an office location will work with their manager to determine in-office time based on business need.

About Us

About Stellarus and the Ascendiun Family of Companies

Stellarus, launched in January 2025, is designed to scale innovative healthcare solutions that support customers in creating a health care experience deserving of their family, friends, and neighbors. Stellarus is part of a family of organizations that is overseen by a nonprofit corporate entity named Ascendiun. The Ascendiun Family of Companies also includes Blue Shield of California and its subsidiary, Blue Shield of California Promise Health Plan and Altais, a clinical services company.

Stellarus' vision is to empower its customers to create a healthcare experience that is worthy of their family, friends, and neighbors. Stellarus' objective is to offer innovative, modern, scalable solutions that challenge the health care status quo. This very closely aligns with Blue Shield of California's vision by using innovation to improve quality, affordability, and experience for members.

To achieve our mission, we foster an environment where all employees can thrive and contribute fully to address the needs of the various communities we serve. We are committed to creating and maintaining a supportive workplace that upholds our values and advances our goals.

Our Values:

At Stellarus, our core values of agility, trust, drive, courage and service shape our approach to developing innovative product offerings.

Our Workplace Model:

We believe in fostering a workplace environment that balances purposeful in-person collaboration with flexibility - providing clear expectations while respecting the diverse needs of our workforce. Our workplace model is designed around intentional in-person interaction, collaboration, connection, creativity and flexibility:

• For most teams, this means coming into the office two days per week.
• Employees living more than 50 miles from an office location, out of state employees, and employees in certain member-facing roles should work with their manager to determine in-office time based on business need.
• For employees with medical conditions that may impact their ability to work in-office, we are committed to engaging in an interactive process and providing reasonable accommodations to ensure their work environment is conducive to their success and well-being.

The Company reserves the right to require more presence in the office based on business needs, and requirements are subject to change with periodic reviews.

Physical Requirements:

Office Environment - roles involving part to full time schedule in Office Environment. Based in our physical offices and work from home office/deskwork - Activity level: Sedentary, frequency most of work day.

Please click here for further physical requirement detail.

Equal Employment Opportunity:

External hires must pass a background check/drug screen. Qualified applicants with arrest records and/or conviction records will be considered for employment in a manner consistent with Federal, State and local laws, including but not limited to the San Francisco Fair Chance Ordinance. All qualified applicants will receive consideration for employment without regards to race, color, religion, sex, national origin, sexual orientation, gender identity, protected veteran status or disability status and any other classification protected by Federal, State and local laws.