Senior Principal Security Engineer

MKS Instruments

Senior Principal Security Engineer managing enterprise security architecture at MKS Inc. Collaborating with engineering and operations teams to ensure robust network security protocols.

Posted 4/24/2026full-timeAndover • Massachusetts • 🇺🇸 United StatesSenior💰 $135,000 - $225,000 per yearWebsite

Tech Stack

Tools & technologies

AWSAzureCloudFirewalls

About the role

Key responsibilities & impact

Owning and driving the enterprise Zero Trust and SASE security architecture roadmap, ensuring alignment with business and regulatory requirements
Designing, implementing, and evolving secure data communications networks, including on-prem, cloud and hybrid environments with AWS and Microsoft Azure
Defining and enforcing network segmentation strategies across IT and OT environments to reduce risk and support operational resiliency
Owning the enterprise network security architecture and continuously improving designs based on industry standards, emerging threats, and organizational needs
Serving as the primary Subject Matter Expert (SME) for network security best practices, standards, and procedures
Acting as a technical escalation point for complex network security issues across engineering, operations and partner teams
Defining, implementing, and governing network security standards and best practices across the enterprise infrastructure

Requirements

What you’ll need

Bachelor's Degree or Trade Certification in Computer related fields preferred or equivalent work experience
Minimum 12+ years of experience in Security and Networking technology environments
Industry certifications such as PCNSA/PCNSE, CCNP, or CISSP or equivalent (preferred)
Experience with network and security platforms including ClearPass, Solar Winds, Cisco Umbrella, Infoblox, Cisco Thousand Eyes, and Prisma
Strong hands-on experience in establishing security policy governance and designing, deploying, and managing firewall solutions using Fortinet and Palo Alto firewalls
Familiar with authentication services: Radius, TACACS/TACACS+, 802.1x

Benefits

Comp & perks

Health insurance coverage (medical, dental and vision)
401(k) with company match
Life and disability insurance
12 paid holidays
Sick time
15 paid vacation days
6 weeks fully paid parental leave
Adoption assistance
Tuition reimbursement

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Zero Trust architectureSASE securitynetwork segmentationsecure data communicationsfirewall solutionssecurity policy governancecloud environmentshybrid environmentsnetwork security best practicesauthentication services

Soft Skills

leadershipproblem-solvingcommunicationcollaborationtechnical escalation

Certifications

PCNSAPCNSECCNPCISSPBachelor's DegreeTrade Certification