Staff Software Engineer

🕒 September 10

🇺🇸 United States – Remote

💵 $185k - $260k / year

⏰ Full Time

🔴 Lead

🧑‍💻 Full-stack Engineer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

👻 Ghost score 7%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.Why this score:

• Open for 66 days.
• Jobs at this company usually fill in 42 days.

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SimSpace

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2015

💼 Consulting

🎖️ Defense

🔒 Cybersecurity

🔥 Funding within the last year

💰 $39M Venture Round - SimSpace on 2025-10

Consulting • Defense • Cybersecurity

SimSpace is a cybersecurity company that provides a realistic, intelligent cyber range platform for training, testing, and validating security teams, tools, and AI agents. Its platform enables live-fire exercises, threat emulation (full kill-chain and atomic), validation of controls and agentic workflows, and disaster recovery and compliance testing; it is used by enterprises and government customers to build cyber readiness and resilience. Founded by experts from U. S. Cyber Command and MIT Lincoln Laboratory, SimSpace focuses on upskilling individuals, strengthening teams, and evaluating AI-driven defenses in realistic, production-like simulations.

📋 Description

• Provide technical leadership for the Range Against the Machine team • Create and maintain reusable virtual-machine templates and standardized cyber ranges • Set technical direction for reusable cyber ranges and make trade-offs among realism, security, reliability, scalability, usability, performance, maintainability, customer outcomes, and delivery • Improve Ansible and Packer architecture, standards, and automation • Design and troubleshoot complex virtual networks, VMware-based infrastructure, Windows Server and Active Directory, Linux systems, identity services, security tooling, and relevant ICS/OT environments • Diagnose failures across networks, operating systems, virtualization, images, blueprints, automation, platform services, and security products • Develop bounded interim solutions for gaps between range requirements and platform capabilities • Partner with Product, Platform Engineering, Security, and Staff and Principal Engineers on long-term platform outcomes • Strengthen repository, review, automated build and validation, release, documentation, runbook, and support-handoff practices • Lead cross-team technical decisions • Create standards and automation benefiting teams beyond RATM • Communicate dependencies and risks early • Mentor engineers, delegate technical ownership, and reduce single-person dependencies

🎯 Requirements

• 6–8 years of experience • Bachelor’s degree in Computer Science preferred; equivalent combination of education and experience considered • Experience designing, building, automating, and supporting complex infrastructure or cybersecurity environments at Staff-level scope • Advanced enterprise networking and troubleshooting across routing, switching, segmentation, firewalls, NAT, DNS, DHCP, VPNs, proxies, and multi-hop traffic paths • Hands-on Windows Server and Active Directory experience, including domain, authentication, authorization, DNS, Group Policy, certificates, or trusts • Linux administration across multiple distributions • Production experience with Ansible, Packer, VMware vCenter, and at least one additional hypervisor, virtualization platform, or cloud environment • Experience integrating enterprise security technologies • Practical knowledge of offensive and defensive workflows, security telemetry, and ICS/OT architecture and constraints • Proficiency with Git • Experience improving automated validation, testing, security, versioning, and release practices for infrastructure code, configuration, or virtual-machine images • Ability to lead ambiguous technical initiatives across teams and influence senior technical stakeholders • Ability to mentor and delegate to engineers • Ability to communicate with technical and nontechnical audiences • Ability to balance implementation detail with product, customer, and business outcomes • Equivalent combinations of education, professional experience, certifications, and demonstrated technical achievement considered • U.S. work authorization required; must provide proof of eligibility to work in the United States at hire

🏖️ Benefits

• Annual bonuses tied to company performance and individual contributions • Comprehensive medical, dental, and vision benefits • Savings plans with coverage starting on day one • Company-paid counseling, coaching, and family resources through Spring Health • 401(k) retirement savings plan with company match • Flex vacation • Company holidays • Dedicated health and wellness days • Paid parental leave • Equity stock options at hire • Annual performance-based equity grants • Full- and partial-subsidized Peloton membership plans • Peloton equipment discounts • LinkedIn Learning membership • Monthly reimbursements for teammate connections through SocialSpace Community • Legal plan coverage • Pet insurance • Wellness reimbursements

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