THE SHORT ANSWER
Award begins a delivery obligation. The team must work to the contract, coordinate with authorized government roles, document progress and changes, meet acceptance requirements, and support the result. A proposal is a promise; delivery is the evidence that the promise was met.
Translate the contract into work
A delivery team should identify the required outcomes, milestones, deliverables, acceptance criteria, security and data terms, and people authorized to direct or approve work. Contracts differ, and the written contract governs. Technical enthusiasm does not replace those requirements.
For a software effort, the handoff from proposal to engineering is critical. The people building the system need to understand the mission user, operating environment, integration boundaries, and what the agency will use to judge completion.
Keep changes and evidence controlled
As work unfolds, assumptions can change. A team should record decisions, demonstrate progress against the agreed requirements, and route contract changes through the authorized process. An informal request from a stakeholder may be useful feedback but should not silently become a new contractual obligation. The FAR's contract administration provisions provide a broader reference for post-award functions.
Evidence matters in practical terms: test results, accessibility checks, security artifacts, training, operational runbooks, and accepted deliverables may all be necessary depending on the agreement. Build them with the product instead of at the end.
Design for the day after launch
A public-sector system needs ownership after initial delivery. Plan for support, incident response, data handling, updates, and transfer of knowledge. A working demonstration is not the same as a service an agency can operate reliably.
Illustrative example: a team delivers an AI search tool. Acceptance may depend on more than relevant answers: the agency may need verified access controls, traceable sources, accessibility, operator training, and a documented fallback when the system cannot answer.
Original sources
The process explanations above are educational summaries. The linked primary sources govern their own terms and can change; check them for current requirements.