Senior Offensive Security Engineer

Summary

Join SimSpace's Scenario Development team as a Senior Offensive Security Engineer and contribute to the creation of advanced, automated attack scenarios for our cybersecurity platform. You will research, implement, integrate, and automate new attack content, perform rigorous testing, and collaborate with software developers. This role requires extensive experience in offensive security, scripting and compiled languages, distributed systems, and familiarity with industry standards. SimSpace offers a competitive compensation package, comprehensive benefits including health and wellness programs, flexible time off, parental leave, and opportunities for professional development. We are committed to fostering a supportive and inclusive work environment.

Requirements

• Deep understanding of tactics and techniques used during offensive network operations and the ability to modify them to subvert defensive countermeasures
• Extensive experience (5+ years) emulating real-world cyber threats, covering full attack chains and the application of threat intelligence
• Professional experience in Python 3, PowerShell, or other scripted languages (Ruby, Bash, Batch, PHP, etc.) and compiled languages (C/C++, Golang, etc.)
• Demonstrated experience leading projects with distributed systems, communication frameworks (RESTful API and rMQ), network protocols and configuration, data handling, and the proper use of security constructs
• Advanced cybersecurity knowledge including familiarity with industry standards like MITRE ATT&CK and D3FEND, the NIST Cybersecurity Framework, STIX/TAXII, and OpenIOC
• Experience with defensive tools/techniques such as industry standard host-based, network analysis, incident response, and forensics tools
• Experience with the commonly-used attack frameworks (Metasploit, Cobalt Strike, CANVAS, Empire, Core Impact, etc.)
• Fluent with Git, GitHub, Docker, CI/CD and modern team software development and testing tools and practices, including Secure SDLC approaches
• Experience working with virtualization solutions

Responsibilities

• Research, implement, integrate and automate new attack content (attack tools, attack scenarios, etc.) into the Scenario Development portfolio
• Perform end-to-end testing of attack content to ensure functionality in complex environments and the ability to evade common defensive tools
• Collaborate with our passionate software developers on the Offensive Engineering team to ensure that the Scenario Development team’s work is representative and useful during a variety of customer event types

Preferred Qualifications

• Relevant certifications from organizations like Offensive Security (OSCP/OSCE), or SANS (GPEN, GXPN, GWAPT), or equivalent experience with demonstrable requisite skills
• Strong verbal and written communication skills
• Ability to think “outside the box”, tying together capabilities to build resilient automated processes and mentor others in doing the same
• Proficiency in conceptualizing and implementing automated solutions and distributed systems
• Proven track record in developing robust, high-quality software that adheres to best practices in design, implementation, instrumentation, and security
• Self-starter who is highly motivated, accepting of other’s opinions/feedback, and can work effectively in a team

Benefits

• Compensation. Base salary range: $125,000 - $175,000, 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