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Job description
The weaponization of AI is driving a paradigm shift in the cyber security industry from proactive to preemptive security: clients must now invest more intelligence and effort in understanding their vulnerabilities before their adversaries do (Open AI). The only way to achieve this is to simulate future attack scenarios at scale, and to run them in high fidelity digital replicas of production environments (Gartner/Forrester). SimSpace serves as the AI Proving Grounds to generate hypersynthetic data which pressure tests controls, tools, teams, and agentic capabilities in full kill chain attacks hidden in realistic environmental traffic and patterns of life.
Founded in 2015 by experts from U.S. Cyber Command and MIT Lincoln Laboratory, the platform was initially conceived to assist in Offensive Cyber Operations (OCO), to quickly replicate target environments to conduct mission rehearsal of human operators and their tools to deny (disrupt, degrade, destroy) or deceive (manipulate or exfiltrate data) adversaries. The company has since expanded to serve over a dozen allied governments in OCO/DCO as well as critical infrastructure enterprises around the world. The company is actively investing in the Americas, Asia Pacific, Europe and the Middle East through direct sales and channel partners. SimSpace has launched the AI Proving Grounds Consortium, leading the revolution by creating an open platform for the InfoSec ecosystem to train, validate and operationalize their agentic capabilities before committing to production.
Why join SimSpace?
We are a team united by a shared purpose and four core values: Serve to Protect, Acquire Understanding, Teamwork without Borders, and Operate as Innovators. We value candid, constructive feedback and create opportunities for personal, professional, and financial growth. Our vision, “Defend the Free World,” drives our mission: “Defeat Any Adversary in Any Cyber Terrain at Machine Speed.”
How Do We Work?
We listen to customers and colleagues, challenge assumptions, and turn ideas into meaningful results. We expect everyone to embrace emerging technologies, simplify and automate work, and use AI to learn, solve problems, and help deliver quality with speed. We apply human judgment and take responsibility for outcomes. Whether remote or office-based, we collaborate across teams and time zones.
We invite you to apply today!
Job Summary
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.
What You Will Do• 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.
What You Will Bring
• 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.
Preferred Qualifications
• 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.
We’re proud to offer a competitive and comprehensive package designed to support your well-being, growth, and success:
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-based grants—become an invested stakeholder in our shared success.
Peloton Interactive Wellness Program: Full- and partial- subsidized membership plans and equipment discounts to help you reach your personalized fitness goals.
Continuous Learning: Access a LinkedIn Learning membership to prioritize your personal and professional development.
Social Connections: Monthly reimbursements for meaningful connections with teammates through our SocialSpace Community.
Extra Perks: Legal plan coverage, pet insurance, wellness reimbursements, and more to simplify life’s details.
SimSpace is an Equal Opportunity Employer:
In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire.
SimSpace is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws. We are committed to providing an inclusive and welcoming environment for all members of our staff, clients, volunteers, subcontractors, vendors, and clients.
Research shows that women and people from underrepresented groups only apply to jobs if they meet all of the qualifications. However, no one ever meets 100% of the qualifications. SimSpace encourages you to break that statistic and to apply. We look forward to your application!
We also consider qualified applicants regardless of criminal histories, in accordance with applicable law. We are committed to providing reasonable accommodations for qualified individuals with disabilities in our job application procedures. If you need assistance or accommodation due to a disability, please contact careers@simspace.com.
SimSpace does not accept unsolicited resumes from employment agencies.
Actual compensation for the position is based on a variety of factors, including, but not limited to affordability, skills, qualifications and experience, and may vary from the range.