Principal Integration Manager, NGC

Onebrief is hiring a Principal Integration Manager to own the execution and growth of Onebrief’s 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 rather than personnel management. Success requires someone who can operate effectively within both large government programs and a fast-paced startup environment.

Responsibilities

Own outcomes for Onebrief's contributions to the NGC program, schedules, milestones, risks, deliverables, and customer commitments; Work alongside leaders in other departments to assemble a purpose-built, matrixed in, 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; Oversee 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 up to 50% of the time, including travel to locations such as Orlando, Florida, and Leavenworth, Kansas.

Nice to have

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.