Senior Network Engineer

The Senior Network Engineer provides technical support for Alnylam’s global network infrastructure across corporate offices, R&D labs, manufacturing/OT environments, and international sites. This role leads major network initiatives, ensures highly available, secure, and scalable network services, and acts as the senior technical escalation point for complex issues. This position partners closely with the Network Architect to execute the global network strategy and oversee the technical quality of MSP delivered operations.

This is a hybrid position and will primarily be based in Cambridge, MA.

Responsibilities

• Engineer, implement, and optimize global LAN, WAN, Wi-Fi, SD WAN, and hybrid cloud connectivity across all locations.
• Execute network architecture standards, ensuring secure and resilient connectivity for new site deployments, lab expansions, and integrations.
• Support cloud networking, ensuring reliable and optimized connectivity between on-prem and cloud environments.
• Implement and maintain firewall policies, segmentation strategies, and Zero Trust/NAC capabilities across corporate, lab, manufacturing, and regulated systems.
• Serve as the Tier 3 escalation point for complex network incidents, leading root cause analysis and strengthening monitoring and alerting capabilities.
• Ensure high availability and performance through proactive capacity planning and redundant design across global sites.
• Maintain accurate network documentation, runbooks, and change management standards to ensure consistent, controlled operations.

• 7+ years of enterprise network engineering experience supporting global, multi-site environments.
• Strong expertise in routing, switching, SD WAN, firewalls, enterprise Wi-Fi, and core protocols (e.g., BGP, OSPF, VPNs, VLANs, QoS).
• Experience supporting regulated or manufacturing environments and working with managed service providers.
• Familiarity with Azure networking and hybrid cloud connectivity.
• Strong troubleshooting ability and disciplined documentation practices.
• CCNP certification (strongly preferred); CCIE a plus.
• AWS networking certifications, preferred.
• Experience in biotech, pharma, healthcare, or similar regulated industries, preferred.

$144,500.00 - $195,500.00

The pay range reflects the full-time base salary range we expect to pay for this role at the time of posting. Base pay will be determined based on a number of factors including, but not limited to, relevant experience, skills, and education. This role is eligible for an annual short-term incentive award (e.g., bonus or sales incentive) and an annual long-term incentive award (e.g., equity).

Alnylam’s robust Total Rewards package is designed to support your overall health and well-being. We offer comprehensive benefits including medical, dental, and vision coverage, life and disability insurance, a lifestyle reimbursement program, flexible spending and health savings accounts and a 401(k)with a generous company match. Eligible employees enjoy paid time off, wellness days, holidays, and two company-wide recharge breaks. We also offer generous family resources and leave. Our commitment to your well-being reflects our belief that caring for our people fuels the impact we create together.

Learn more about these and additional benefits offered by Alnylam by visiting the Benefits section of the Careers website: https://www.alnylam.com/careers

About Alnylam

We are the leader in RNAi therapeutics – a revolutionary approach with the potential to transform the lives of people with rare and common diseases. Built on Nobel Prize-winning science, Alnylam has delivered the breakthroughs that made RNAi therapeutics possible and are just at the beginning of what’s possible. Our deep pipeline, late-stage programs, and bold vision reflect our core values: fierce innovation, passion for excellence, purposeful urgency, open culture and commitment to people. We're proud to be a globally recognized top employer, where an authentic, inclusive culture and breakthrough thinking fuel one another.

At Alnylam, we commit to an inclusive recruitment process and equal employment opportunity. Qualified applicants will receive consideration for employment without regard to their sex, gender or gender identity, sexual orientation, race, color, ethnicity, national origin, ancestry, citizenship, religion, creed, physical or mental disability, pregnancy status or related conditions, genetic information, veteran or military status, marital or familial status, political affiliation, age, or any other factor protected by federal, state, or local law. Alnylam is an E-Verify Employer.