Proposal Manager

Inter-Con Security; United States; On-site; USD 70,000 - 90,000; Full time

Job summary

A leading security firm is seeking a Proposal Manager to join its Business Development team in the United States. The candidate will manage the proposal lifecycle, develop compliant solicitation responses, and ensure timely submissions. Strong attention to detail, proposal writing expertise, and experience in government procurements are essential. A Bachelor's degree in English or Marketing is required, alongside proficiency in tools like Salesforce and Microsoft Office suite.

Qualifications

• 3+ years of direct experience in proposal development or solicitation response.
• Proficiency in managing multiple concurrent deadlines in a fast-paced environment.
• Strong understanding of evaluation methodologies in public and commercial sectors.

Responsibilities

• Lead the end-to-end development of proposals across SLED and commercial opportunities.
• Develop and manage proposal schedules aligning with multiple teams.
• Tailor responses to reflect client-specific needs.

Skills

Proposal development

Technical writing

Interpersonal skills

Deadline management

Education

Bachelor's degree in English, Marketing, or related

Tools

Microsoft Word

Excel

PowerPoint

SharePoint

Salesforce

Job description

Founded in 1973, Inter-Con Security Systems, Inc. is a leading global security company, providing a full range of physical security services to government and commercial customers on four continents. Inter-Con specializes in providing customized security services to clients whose needs exceed the capabilities of traditional guard firms. Clients include the Departments of State, Justice, Homeland Security, Energy, and Defense, as well as Fortune 500 companies, major public utilities, and ultra-high net worth individuals.

Inter-Con employs over 35,000 security personnel world-wide, trained and managed by a team of professionals with unsurpassed military, law enforcement, and security experience. Inter-Con remains 100% family owned and managed and operates as the industry leader in the field of customized, high-requirement security solutions.

Inter-Con is Everywhere Security Matters.

Job Summary

The Proposal Manager will join a growing and dynamic Business Development team and be responsible for leading and developing compliant, high-quality solicitation responses for State, Local, and Education (SLED) and commercial clients.

This role will focus on opportunities across transit agencies, counties, municipalities, and private sector organizations. In addition to drafting and editing proposal content, the Proposal Manager will manage the full proposal lifecycle including kick-off meetings, compliance reviews, content development, coordination with cross functional contributors, and final production for timely submission.

This role requires strong attention to detail, deadline management, and experience working in structured government procurements, including responding to RFP’s RFQ’s, and related solicitations.

Primary Responsibilities

The specific responsibilities include, but are not limited to the following:

• Lead the end to end development of proposals across SLED and commercial opportunities, including large scale and complex pursuits
• Develop and manage proposal schedules, ensuring alignment across operations, finance, HR, and executive leadership
• Drive capture and proposal strategy discussions to align messaging with client priorities, operational capabilities, and win themes
• Tailor responses to reflect client specific needs across diverse environments, including large public sector programs and commercial clients
• Ensure all submissions are fully compliant, professionally formatted, and aligned with company standards and branding
• Participate in presentation strategy sessions, contributing to storyboard development, messaging alignment, and preparation for client presentations and or oral defenses
• Support post submission activities, including coordinating responses to client clarification requests and follow up questions
• Maintain accurate opportunity and proposal data within CRM platforms such as Salesforce, as needed
• Support continuous improvement by participating in debriefs, analyzing feedback, and strengthening future proposal strategies
• Provide additional writing, editing, and project support as needed

Qualifications

• Bachelor’s degree in English, Marketing, or other relevant major, can be swapped for additional years of experience in drafting RFP content
• 3+ years of direct experience in proposal development, technical writing or solicitation response within structured environments
• Strong understanding of SLED and commercial evaluation methodologies,
• Ability to manage multiple concurrent deadlines in a fast-paced environment
• Strong interpersonal, communication, and leadership skills
• Proficiency in Microsoft Word, Excel, PowerPoint, SharePoint, and CRM Platforms such as Salesforce

Preferred Qualifications

• Experience supporting large, complex pursuits within public sector agencies or enterprise commercial clients
• Familiarity with compliance driven procurement environments and best value evaluation frameworks

Inter-Con Security Systems, Inc. is an Equal Opportunity Employer - Disability/Veteran.