Founded in 2015 by experts from the U.S. Cyber Command and MIT’s Lincoln Laboratory, SimSpace combines the highest-fidelity, military-grade cyber ranges and training content with unique user and adversary emulation techniques. By providing team and individual training exercises, attack simulations, mission rehearsals, and product evaluations that leverage its cyber range, the SimSpace Cyber Force Platform delivers quantitative and actionable insights into how an organization can protect critical assets against cyber threats. SimSpace prepares individuals, teams and leaders for continued success against ever-evolving adversaries. No other organization has SimSpace’s depth of experience in creating high fidelity cyber ranges with unique user and adversary emulation techniques. These techniques are designed to stress people, process and technology across individual and team-level training exercises, attack simulations, mission rehearsals, and product evaluations. SimSpace's mission is to provide an automated, cost-effective evaluation method for calculating cyber risks based on realistic comprehensive assessments of holistic capability to yield more secure networks globally.

Who is SimSpace:

SimSpace launched in 2015 with a singular purpose – addressing the most urgent and sophisticated cybersecurity challenges to reduce risk for our most vulnerable and valuable infrastructure. The organizations around the world that we depend on every day to keep our loved ones safe and secure. Our healthcare facilities, schools, financial institutions, transit centers, grocery stores, and workplaces just to name a few. To deliver global resiliency, we provide an elite cyber range platform to curate unassailable cyber defenses, data driven decisions, cutting edge training labs, live attack scenarios, and extensive individual and dynamic team readiness training.

SimSpace works as OneTeam to elevate humanity around the world. We are committed to continuously improving and delivering a cultivated member experience whether that is accomplished through focusing on supporting our client’s teams or our own mission driven SimSpacers.

We are an international company headquartered in Boston's Fort Point in the U.S. If you are interested in elevating the technology and creative solutions necessary to secure and safeguard our future while working alongside others who share your passion for purpose and development, we want to meet you!

Why should you choose a career at SimSpace?

We are an organization that is focused on building our culture and mindfully enhancing our atmosphere everyday 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.

Our core values:

Serve to Protect – We provide safe space, deliver on the mission, and elevate humanity
Acquire Understanding – We seek and provide clarity 10x, cultivate comprehension, and believe information goes both all ways
Operate as Innovators – We stay curious, practice consistency over intensity, and continue to be the change we need in the world
Teamwork Without Borders – We are never alone, we solve for all, and keep people at the heart of everything we do

We are looking for:

We are seeking a highly skilled Senior ICS/OT Cybersecurity Engineer to join our team. This role requires expertise in securing Industrial Control Systems (ICS) and Operational Technology (OT) environments, as well as proficiency in various scripting languages and industry-standard security tools. The ideal candidate will have a strong background in cybersecurity with a primary focus on defense, complemented by offensive security knowledge.

What will you be doing as a Senior ICS/OT Cyber Security Engineer at SimSpace?

Set up and manage ICS/OT virtual lab environments for internal development and customer facing production use cases
Design, implement, and maintain security tools for virtual ICS/OT environments
Design and collaborate on vulnerability scenarios and analyses of virtual ICS/OT systems
Develop and maintain best practices and procedures for integration of ICS/OT devices into virtual lab environments
Collaborate with IT and OT teams to ensure seamless integration of hardware in the loop implementations
Stay current with emerging threats and vulnerabilities in the ICS/OT space
Provide technical guidance and training to team members and stakeholders
Translate complex customer needs into actionable SimSpace platform capabilities and vice versa

What are the qualifications to apply? To be successful, you need to have:

Bachelor's degree in Computer Science, Cybersecurity, or related field
5+ years of experience in cybersecurity, with at least 2 years focusing on ICS/OT security
Strong understanding of ICS/OT systems, components, and their operational purposes
Proficiency in scripting languages, including Python, PowerShell, and Bash
Extensive experience with defensive security tools and methodologies for ICS/OT environments
Knowledge of offensive security tools and techniques applicable to ICS/OT systems
Familiarity with industry standards and regulations (e.g., NIST, IEC 62443, NERC CIP)
Experience with automation technologies (Ansible, Puppet, Chef)
Conversant in ICS/OT networking protocols such as Modbus, DNP3, CAN bus, and their integrations into TCP/IP networks.
Excellent problem-solving and communication skills, with the ability to work effectively in a cross-functional team environment
Familiar with virtualization technologies and concepts (e.g. VMware, HyperV, OpenStack)

The best candidates will also have the following qualifications:

Relevant certifications (e.g., GIAC GICSP, CompTIA PenTest+, CISSP)
Experience with SCADA systems, PLCs, and other industrial control components
Knowledge of the MITRE ATT&CK matrix for ICS
Skilled in common cyber security technologies (e.g., firewalls, IDSs, SIEMs)
Background in IT/OT convergence and securing IoT devices
Familiar with container technologies and concepts (e.g., Kubernetes, Docker)
Hands on experience with Fortiphyd or other virtual ICS environments

Key skills:

ICS/OT security
Vulnerability assessment
Incident response
Network security monitoring
Scripting (Python, PowerShell, Bash)
Lab environment setup
Risk analysis
Security tool proficiency (both defensive and offensive)

This position offers an exciting opportunity to work at the forefront of ICS/OT cybersecurity, protecting critical infrastructure and industrial processes. The successful candidate will play a crucial role in our organization's contribution to the evolving field of industrial cybersecurity.

We’re proud to offer a competitive and comprehensive package designed to support your well-being, growth, and success:

Compensation. Base salary range: $120,000 - $160,000, 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 unlimited vacation 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.
Referral Rewards: Earn $1,500–$3,500 for every qualified hire through our employee referral program.
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.

Join SimSpace and enjoy benefits that enhance your career, health, and happiness!

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.

Senior ICS/OT Cyber Security Engineer

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