Full-Time

Head of Defense Growth

Updated on 5/26/2026

Red Cell Partners

Red Cell Partners

51-200 employees

Incubator for tech-based healthcare and security

Compensation Overview

$250k - $280k/yr

No H1B Sponsorship

Washington, DC, USA

In Person

Strong preference for Washington, DC metro; remote work is considered within the continental U.S.

US Top Secret Clearance Required

Category
Sales & Account Management (1)
Requirements
  • 12+ years of private sector experience selling to the public sector, at least some of that time in an executive position in either business development, capture, or federal sales, ideally with a focus on defense or national security
  • Demonstrated ownership of the full lifecycle from early shaping (“left of bang”) through capture, award, and post‑award expansion
  • At least $100 million+ in cumulative contract value influenced, captured, or closed over the course of a career
  • History of moving efforts from prototype / pilot / SBIR / OTA into enduring programs of record
  • Strong working knowledge of Department of War and federal acquisition pathways, including hands‑on experience with FAR / DFARS‑based contracts (firm‑fixed‑price, cost‑plus‑fee, time‑and‑materials, hybrids), OTAs (prototype and follow‑on production), IDIQs / GWACs / BPAs (task order strategy, on‑ramping, teaming), SBIR / STTR, BAAs, CSOs, and rapid acquisition authorities
  • Ability to creatively navigate acquisition constraints and identify non‑obvious paths to award and scale
  • Deep familiarity working with Department of War stakeholders and mission owners, such as Program Executive Offices or Portfolio Acquisition Executives, PMOs, Requiring Activities, Combatant Commands, services, or defense agencies
  • Track record of engaging credibly with operators, acquisition professionals, and senior government leadership; experience selling or scaling technically complex capabilities such as software platforms, AI/data systems, cyber, electronic warfare, autonomy, advanced sensing, or mission‑critical infrastructure
  • Proven experience acting as a player‑coach—setting strategy while personally driving the most important deals; experience building or leading business development, capture, proposal, and contracting teams; ability to establish discipline with bid/no‑bid decisions, win themes, pipeline rigor, and accountability
  • Current U.S. security clearance strongly preferred
  • Strong preference for the Washington, D.C. metro area (or willingness to relocate), with meaningful time in the field and up to 30% travel
Responsibilities
  • Define, own, and operationalize Red Cell’s public sector and Department of War growth strategy across priority missions, agencies, and acquisition pathways
  • Lead left‑of‑bang shaping with mission owners, program offices, contracting offices, and other acquisition stakeholders before solicitations exist
  • Set bid/no‑bid decisions and prioritize opportunities across the portfolio
  • Architect creative solutions that may include leveraging capabilities from multiple portfolio companies with a focus on solving hard mission problems and accelerating adoption
  • Build and run a scalable business development to capture to close growth engine that portfolio companies can plug into
  • Recruit, mentor, and lead a high‑ownership growth team spanning business development, capture, proposals, and contracts

Red Cell Partners is an incubation firm that builds technology-led companies aimed at quickly reaching scale in healthcare and national security. It supports ventures by developing tools and solutions designed to move advanced technologies from concept to market, addressing national priorities. Its approach combines technical development, mentorship, and strategic resources to turn promising ideas into deployable products. Unlike general accelerators, Red Cell focuses on mission-driven, defense-aligned projects with the goal of solving urgent public needs. The company’s objective is to bring practical, impactful innovations to market that strengthen national health and security capabilities.

Company Size

51-200

Company Stage

N/A

Total Funding

$494.5M

Headquarters

New York City, New York

Founded

2020

Simplify Jobs

Simplify's Take

What believers are saying

  • Raised $91M for RCIF I to fund incubations through early-stage rounds.
  • Hired Sean O'Keefe as deputy CTO from Google and Function Health.
  • Opened Incubation Fund II in August 2025 for healthcare and security scaling.

What critics are saying

  • UnitedHealth crushes Crux using Optum's $1B Rally revenue to undercut pricing.
  • AWS reclaims Sridharan, launches agentic platforms starving Trase DoN contracts.
  • Claros obsoletes Trase edge AI via General Catalyst-funded energy tools.

What makes Red Cell Partners unique

  • Red Cell incubates tech-led companies in healthcare, cyber, and national security.
  • Launched Crux in 2024 for affordable QoL medications via employer benefits.
  • Deployed Trase in 2024 for agentic AI in regulated industries like defense.

Help us improve and share your feedback! Did you find this helpful?

Your Connections

People at Red Cell Partners who can refer or advise you

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Unlimited Paid Time Off

Flexible Work Hours

Remote Work Options

Parental Leave

Company News

Axios
Mar 19th, 2026
Claros raises $30M seed to cut data centre energy waste

Claros, a startup developing technology to minimise energy waste at data centres, has closed a $30 million seed round co-led by General Catalyst and Red Cell Partners. Systemiq Capital, Aero X Ventures and Trenches Capital also participated as new and existing investors.

Yahoo Finance
Mar 12th, 2026
Red Cell Partners appoints ex-Google and Function Health veteran Sean O'Keefe as deputy CTO

Red Cell Partners has appointed Sean O'Keefe as Deputy Chief Technology Officer. O'Keefe will oversee technology strategy implementation, daily engineering operations and manage the firm's engineering teams. O'Keefe previously served as Senior Vice President of Engineering at Function Health, where he was the first engineering hire and led development of a secure health data platform and generative AI platform. Earlier in his career, he worked at Google Research as a Senior Software Engineer, leading the TensorFlow Model Remediation Library focused on AI safety and bias mitigation. A former Green Beret in the 10th Special Forces Group, O'Keefe also worked at Bridgewater Associates conducting quantitative research. Red Cell Partners is a venture studio building technology companies in healthcare, cyber and national security sectors.

Evolve Security
Feb 25th, 2026
Evoke Security Raises $4M Pre-Seed Round to Secure the Agentic Workforce - Evoke Security

Evoke empowers organizations to deploy AI with confidence. Our platform surfaces and secures risks at the agentic layer.

Red Cell Partners
Jan 19th, 2026
Valinor | Red Cell Partners

Valinor provides a go-to-market engine for those building products for defense, the broader U.S. Government, and our allies.

PR Newswire
Jan 8th, 2026
Valinor Enterprises: $85 Million Raised to Scale New Operating Model for Defense

/PRNewswire/ -- Valinor Enterprises, an operational holding company for defense and government technology, today announced it has raised $54 million in Series...