Principal Integration Manager, NGC

Onebrief builds collaboration and AI-powered workflow software for military planning and operational coordination. We help teams operate with greater clarity, coordination, and adaptability in situations where decisions carry real-world consequences. Our distributed team brings together military, operational, and technology backgrounds to improve how critical work gets done. Founded in 2019 and backed by leading investors, Onebrief is valued at over $2 billion and continues to invest in product innovation, AI capabilities, and team growth.

About the role

Onebrief is hiring a Principal Integration Manager to own the execution and growth of our work supporting the Next Generation Constructive (NGC) program. This role has end-to-end ownership of Onebrief's contributions to a multi-million dollar government program, ensuring successful delivery while positioning the initiative for continued year-over-year growth. Reporting to the Head of Key Initiatives, you'll serve as the program lead across government stakeholders, internal teams, and industry partners, with direct visibility and escalation to Onebrief's executive team. You'll quarterback the program by aligning teams, managing risk, and ensuring customer commitments are delivered while balancing government expectations with contractual obligations. This is a senior individual contributor role responsible for Onebrief's execution and performance within the NGC program.

Responsibilities

• Own outcomes for Onebrief's contributions to the NGC program, including schedules, milestones, risks, deliverables, and customer commitments.
• Work alongside leaders in other departments to assemble a purpose-built, matrixed cross-functional team oriented exclusively on the success of the program.
• Quarterback the program by coordinating government stakeholders, internal teams, vendors, and industry partners to keep execution aligned and moving forward.
• Manage program scope by interpreting Statements of Work (SOWs), aligning customer requests with contractual obligations, and partnering with Legal on contract modifications when needed.
• Lead program planning, customer engagements, internal and external reviews, milestone execution, and risk management while providing internal cross-functional guidance and oversight to technical leads.
• Identify opportunities to improve program execution, reduce costs, and support future program growth.

Requirements

• Strong understanding of operational planning, defense acquisition, or large headquarters environments.
• 10+ years of experience managing Government Programs of Record (PoRs) within the defense technology industry.
• Proven ability to influence without authority and communicate effectively across cross-functional internal teams, customers, and external partners.
• Demonstrated experience owning large government programs, including schedules, contractual scope, stakeholder management, and risk management.
• Ability to navigate ambiguity, balance competing priorities, and influence government stakeholders while maintaining strong customer relationships.
• Current Active Secret clearance with eligibility for Top Secret/SCI.
• Ability to travel approximately 50% of the time to locations like Orlando, Florida and Leavenworth, Kansas.

Preferred Qualifications

• Experience with defense software, SaaS, or systems integration programs.
• Experience supporting Army modernization or command and control programs.
• Experience working in a startup or high-growth technology company.
• Existing relationships within the DoD acquisition community.
• Experience managing multiple vendors as a prime contractor, Lead Systems Integrator (LSI), or equivalent program leadership role.

Indicators of Success

This role will evolve as priorities change, but the following outcomes reflect what success typically looks like in the first six months:

• Deliver customer milestones on time while keeping the NGC program on schedule.
• Align customer expectations with contractual obligations and proactively resolve scope and execution risks.
• Work with inter-departmental leads to assemble purpose-built teams oriented on program success; coordinate with these leads to resolve resourcing, performance, or prioritization issues.
• Build trusted relationships across government stakeholders, vendors, and internal teams.
• Improve program efficiency while protecting profitability and positioning the program for future growth.
• Provide clear direction and orchestrate cross-functional workflows to hit program milestones.
• Develop and implement internal program management practices that can be repeated and scaled across the company as Onebrief enters into more Program of Record contracts.