Government Contracts Manager for Fast-Paced Production

Cantos Ventures; Torrance (CA); On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Equity opportunity

Four weeks of PTO

Holidays

Health benefits

Parental leave

Fitness stipend

Onsite EV charging

Catered meals

Team dining during high-demand periods

Job summary

Castelion is seeking a Contracts Manager to lead administration and execution across a portfolio of U.S. Government contracts.

You will work with program managers, finance, legal, and engineering to interpret requirements and ensure timely delivery while maintaining compliance. The ideal candidate has strong knowledge of FAR/DFARS, proven negotiation skills, and the ability to manage multiple contracts in a fast-paced environment.

Qualifications

• Bachelor’s degree and 5+ years in U.S. Government contract administration or related field.
• Experience with DoD contracts or agreements.
• Knowledge of FAR/DFARS and government solicitations.
• Experience supporting proposal development and contract negotiations.
• Ability to manage multiple contracts in a fast-paced environment.
• Strong written/verbal communication and negotiation skills.
• Ability to obtain and maintain a U.S. Government security clearance.

Responsibilities

• Own contract administration across multiple U.S. Government programs from award to closeout.
• Interface with Government Contracting Officers, Contract Specialists, DCMA, and other stakeholders.
• Collaborate with program managers to understand requirements, milestones, and deliverables.
• Review and negotiate contracts, OTAs, modifications, and related documents.
• Prepare proposals, RFIs/RFPs, and ensure requirements and risks are identified.
• Coordinate proposal preparation across departments and maintain compliance matrices.
• Interpret terms, FAR/DFARS clauses, SOWs, data rights, and invoicing requirements.
• Lead contract modifications, funding actions, and schedule changes.
• Track funding, ceilings, CLINs, performance periods, and milestones.
• Coordinate with finance for invoicing and funding management.
• Maintain audit-ready contract files and correspondence.
• Support compliance reviews, audits, and government interactions as applicable.
• Develop contracting processes, templates, and playbooks for growth.

Skills

Contract management

Proposal development

Negotiation

Communication

Analytical skills

Organizational skills

Security clearance readiness

Education

Bachelor’s degree

Job description

Castelion is seeking a Contracts Manager to lead administration and execution across a portfolio of U.S. Government contracts.

You will work with program managers, finance, legal, and engineering to interpret requirements and ensure timely delivery while maintaining compliance. The ideal candidate has strong knowledge of FAR/DFARS, proven negotiation skills, and the ability to manage multiple contracts in a fast-paced environment.