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Senior Corporate Security Systems Engineer

Onebrief · United States | Remote · Remote

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About Onebrief

Onebrief is collaboration and AI-powered workflow software designed specifically for military staffs. Onebrief makes the staff as a whole superhuman — faster, smarter, and more efficient — to ultimately support stronger decision-making. Backed by Battery, General Catalyst and Insight.

About the role

You’ll help own and mature the security systems protecting Onebrief’s corporate environment. Own and improve enterprise security technologies across areas such as EDR, SIEM, MDM, Zero Trust, identity, browsers, and SaaS applications, including deployment, configuration, integrations, monitoring, and lifecycle management.

What they're looking for

  • 4+ years of hands-on experience in security engineering, enterprise security, systems security, or a closely related technical role
  • Experience securing identity, SaaS, or Zero Trust environments and understanding how configuration decisions affect enterprise security
  • Experience building security automation using APIs, workflow automation platforms, infrastructure-as-code, scripting, or configuration-management technologies
  • Experience deploying, administering, or owning endpoint security and detection technologies such as EDR and SIEM platforms, including integrating security telemetry into centralized monitoring
  • Experience administering MDM or endpoint-management platforms to enforce security configurations, and maintain endpoint baselines
  • Ability to evaluate technical requirements through a security lens, identify risk in proposed configurations, and work across technical teams to implement practical controls without losing sight of the security objective
More about this role

About Onebrief

Onebrief builds collaboration and AI-powered workflow software for military planning and operational coordination.

Military planning is complex by nature, requiring teams to coordinate information, people, and decisions across systems and locations. Onebrief brings planning, collaboration, simulation, and AI into one connected environment, helping teams test strategies, adapt to changing conditions, and make decisions with greater clarity when the stakes are real.

We are a distributed team of builders from military, operational, and technology backgrounds who care deeply about improving how important work gets done. Some team members work remotely, while others work directly alongside customers in operational environments around the world.

Founded in 2019, Onebrief is backed by leading investors including General Catalyst, Battery Ventures, Insight Partners, Sapphire Ventures, and Human Capital. Valued at more than $2 billion, we continue to invest in product innovation, AI capabilities, and team growth.

Onebrief is growing, and the systems our employees rely on need to remain secure, resilient, and audit-ready as the company scales. We’re hiring a Corporate Systems...

Read the full posting on Onebrief's site ↗

Infrastructure & Security

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