SimSpace 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, SimSpace 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 SimSpace? 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. SimSpace 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, SimSpace 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.
We invite you to apply today!
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.
• Network Operations: Perform basic configuration and troubleshooting of Cisco and Dell switching environments and support connectivity changes associated with server and data center operations.
• On-Call Support: Participate in an on-call rotation and respond to infrastructure issues that require after-hours investigation, escalation, or hands-on remediation.
• VMware Expertise: VMware Certified Professional (VCP) or equivalent demonstrated expertise, with 5+ years of relevant experience operating VMware-based infrastructure.
• High-Availability Operations: Experience supporting infrastructure in a 99.999% uptime environment with strong operational discipline and attention to risk.
• Data Center Experience: Hands-on Layer 1 experience with rack-and-stack, cable management, server hardware, component replacement, and physical troubleshooting.
• Documentation: Strong technical-documentation skills using tools and practices such as Microsoft Visio, IP management, rack layouts, and network visualization.
• Monitoring: Experience using infrastructure-monitoring tools to identify, troubleshoot, and respond to operational issues.
• Linux: Working knowledge of Linux sufficient to deploy systems, use common operational tools, and connect to remote environments.
• Networking: Working knowledge of basic networking concepts and hands-on experience with Cisco and/or Dell switch configuration.
• Location & Availability: Located in the Greater Boston area and able to participate in an on-call rotation, including occasional after-hours response as required.
• Storage Systems: Experience with enterprise storage platforms such as Pure Storage, NetApp, or comparable technologies.
• Software-Defined Networking: Experience with technologies such as VMware NSX, vCenter integrations, GENEVE, VXLAN, or related software-defined networking concepts.
• Public Cloud: Operational or design experience with Azure, Google Cloud Platform, AWS, or similar public-cloud environments.
• Firewalls: Experience administering or supporting firewall platforms such as Palo Alto Networks, Fortinet, or comparable products.
• Project & Technical Design Skills: Ability to plan and execute infrastructure projects, develop technical designs, coordinate dependencies, and communicate implementation requirements.
• Technical Awareness: Habit of monitoring relevant CVEs, security breaches, vendor advisories, geopolitical events, and other developments that may affect infrastructure risk or operations.
• Customer / VAR Experience: Experience working in a VAR, customer-facing, or end-user-facing environment, including the ability to join customer calls and clearly explain technical requirements, configurations, and operational tradeoffs.
Compensation. Base salary range: $95,000 - $145,000, reflecting our confidence in your expertise and impact, with the opportunity for annual bonuses tied to company performance and individual contributions.
Health & Wellness. Comprehensive medical, dental, and vision benefits, plus savings plans—coverage starts on day one!
Mental Health Support. Access to company-paid counseling, coaching, and resources for you and your family through Spring Health.
Financial Well-Being. Plan for your future with a 401(k)-retirement savings plan featuring a company match.
Flexible Time Off. Take the time you need with flex vacation, company holidays, and dedicated health & wellness days. SimSpace provides flexible solutions to meet the diverse work-life needs of team members.
Parental Leave. Paid leave plans to support you and your loved ones during life’s most important moments.
Ownership Opportunities: Equity stock options at hire, with annual performance-
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