Infrastructure Engineer

Sim Space serves as an AI Proving Ground where organizations can confidently train, test, and outmaneuver adversaries in any environment. Trusted by allied governments, militaries, enterprises, and research institutions worldwide, Sim Space enables adaptive, AI-ready defenses that stay ahead of evolving threats. Founded in 2015 by experts from U.S. Cyber Command and MIT Lincoln Laboratory, the platform unifies training, testing, and validation in a realistic, live-fire simulation—helping teams evaluate security investments, optimize performance, and compress cyber readiness cycles from months to days.

Why join Sim Space? We are an organization that is focused on building our culture and mindfully enhancing our atmosphere every day which is why we have collaborated on an integral value system. Our governing philosophy of being Human Centered is deeply embedded within our value system. We apply this philosophy to every one of our internal team members, external clients, and their customers.

How Do We Work? We believe that people are at the center of everything we do. Sim Space fosters a culture of continuous learning, curiosity, and professional growth. That belief shows up in action: in-house training, internal and external learning platforms, cyber conferences, industry events, and dedicated time for skill development. Our people are empowered to shape their careers - and it shows.

Year over year, Sim Space consistently outperforms industry benchmarks in internal mobility, promotions, and total rewards growth.

Who Thrives Here? We are a team of innovators, protectors, and problem-solvers. We believe diversity of thought and experience fuels better solutions, and we’re committed to building teams that reflect the communities we serve. Whether you’re remote or office-based, you’ll collaborate with talented colleagues across departments and time zones, united by the mission to create a safer digital world.

The Infrastructure / Data Center Operations Engineer is responsible for the reliability, operation, and continuous improvement of critical data center and virtualization infrastructure. This is a hands‑on role spanning VMware platforms, physical data center operations, monitoring, technical documentation, basic Linux administration, and network infrastructure.

The ideal candidate is comfortable operating in a high‑availability environment where disciplined change management, accurate documentation, physical‑layer execution, and rapid troubleshooting are essential. This role is based in the Greater Boston area and participates in an on‑call rotation to support business‑critical infrastructure.

• Virtualization Operations: Deploy, operate, troubleshoot, and maintain VMware‑based infrastructure, including day‑to‑day administration of vCenter‑managed environments and associated compute resources.

• Data Center Operations: Perform Layer 1 data center work including rack‑and‑stack, structured cable management, hardware installation and replacement, server repair, and physical troubleshooting.

• Availability & Incident Response: Operate infrastructure in a 99.999% uptime environment, respond to monitoring alerts and incidents, participate in root‑cause analysis, and support disciplined recovery and remediation activities.

• Monitoring & Operational Health: Use infrastructure and monitoring tools to assess system health, identify emerging issues, validate service availability, and support proactive capacity and reliability management.

• Technical Documentation: Create and maintain accurate infrastructure documentation, including Visio diagrams, IP‑address management records, rack layouts, cable documentation, and network visualizations.

• Linux & Remote Systems: Perform basic Linux deployment and administration tasks, use common troubleshooting tools, and connect securely to remote systems for operational support.