Job Title: Senior Network Security Microsegmentation Engineer
Compensation: Open to Both C2C and W2 options
Work Model: Remote, candidates must live in the United States
We are currently seeking a Senior Network Security Microsegmentation Engineer role. This role requires a minimum of 10 years of professional experience (ideally 12+ years) and extensive, hands on experience with Illumio (no less than 8 years of experience).
This is a senior, hands-on network security engineering role focused on implementing Zero Trust and microsegmentation across enterprise environments. The engineer will primarily use Illumio to analyze application traffic and dependencies, create and enforce least-privilege segmentation policies, reduce lateral movement, and securely control workload-to-workload communication. The role requires someone with a strong network security foundation and 10+ years of cybersecurity/network security experience, plus practical Illumio experience. The engineer will work closely with application, infrastructure, cybersecurity, and architecture teams and will be responsible for traffic analysis, firewall/policy management, troubleshooting connectivity issues, policy lifecycle/change management, and production support across on-premises, hybrid, and potentially cloud environments.
We are looking for someone who can take an application from traffic discovery to dependency mapping to segmentation policy design to policy deployment to troubleshooting to ongoing policy management without creating production outages. The most important combination of experience must include Illumio, Network Security, Zero Trust, Traffic Analysis, Firewall Policy, and Enterprise Troubleshooting. A minimum of 10+ years of network security/cybersecurity experience and hands-on Illumio experience are KEY, because this is not simply a general cybersecurity or network administration position.
Network Security Microsegmentation Engineer will help advance our enterprise Zero Trust security strategy. This role will focus on designing, implementing, and supporting microsegmentation controls using Illumio to reduce lateral movement risk and enforce least-privilege access across enterprise workloads.
The successful candidate will have strong network security experience, practical knowledge of network fundamentals, and hands-on exposure to Illumio or similar microsegmentation platforms. This individual will partner closely with application, infrastructure, cybersecurity, and architecture teams to analyze traffic flows, build segmentation policies, troubleshoot connectivity issues, and support secure application communication.
This is a hands-on engineering role suited for someone who understands both the technical depth of network security and the operational discipline required to implement segmentation safely in production environments.
The Network Security Microsegmentation Engineer will support the design, implementation, and operational management of enterprise microsegmentation capabilities. This role will focus on securing application workloads and supporting Zero Trust initiatives using Illumio.
Key Responsibilities
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
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Ref: #851-Rockville-S1
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