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I3 Vertical Jobs (NOW HIRING)

i3 Verticals

Proposal Manager

Nashville, TN · Remote

Tailor responses to align with client requirements, vertical strategy, and win themes (leveraging prior "won" proposals). Participate in debriefings/lessons-learned sessions after delivery of a ...

i3 Verticals

Proposal Manager

Nashville, TN · On-site +1

Tailor responses to align with client requirements, vertical strategy, and win themes (leveraging prior "won" proposals). Participate in debriefings/lessons-learned sessions after delivery of a ...

MIKEL INC

LEAD SYSTEMS ENGINEER

Middletown, RI · On-site

Ability to travel and climb vertical ladders is mandatory. * In-depth knowledge of networking ... GCCS-A, GCCS-AF, GCCS-J, GCCS-I3 * Experience with other C2 programs, i.e. MAVEN, ISAT, USW-DSS ...

MIKEL INC

FIRE CONTROL TECHNICIAN

Middletown, RI · On-site

Ability to travel and climb vertical ladders is mandatory. * In-depth knowledge of networking ... GCCS-A, GCCS-AF, GCCS-J, GCCS-I3 * Experience with other Navy C2 programs, i.e. MAVEN, ISAT, USW ...

MIKEL

Lead Systems Engineer

Middletown, RI

Ability to travel and climb vertical ladders is mandatory. * In-depth knowledge of networking ... GCCS-A, GCCS-AF, GCCS-J, GCCS-I3 * Experience with other C2 programs, i.e. MAVEN, ISAT, USW-DSS ...

MIKEL INC

LEAD SYSTEMS ENGINEER

Middletown, RI · On-site

Ability to travel and climb vertical ladders is mandatory. * In-depth knowledge of networking ... GCCS-A, GCCS-AF, GCCS-J, GCCS-I3 * Experience with other C2 programs, i.e. MAVEN, ISAT, USW-DSS ...

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How much do i3 vertical jobs pay per hour?

As of Jul 22, 2026, the average hourly pay for i3 vertical in the United States is $40.72, according to ZipRecruiter salary data. Most workers in this role earn between $31.25 and $47.12 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the I3 Vertical position, and why are they important?

To excel at I3 Vertical (typically a reference to roles at i3 Verticals, a payment and software solutions provider), candidates should possess strong analytical abilities, experience in fintech or payment processing, and relevant educational background in fields like business, computer science, or information technology. Familiarity with POS systems, payment gateways, data integration tools, and industry certifications such as PCI DSS are often valued. Excellent problem-solving, communication, and client relationship-building skills help drive success in fast-paced, customer-centric environments. These competencies ensure efficient solution delivery, maintain data security, and foster strong partnerships with clients.

What is an i3 Vertical job?

An i3 Vertical job typically refers to a role within i3 Verticals, a company specializing in integrated payment and software solutions across various industries. Positions may include roles in sales, software development, customer support, finance, and operations. Employees often work to develop, implement, or support payment processing and business management solutions. Responsibilities vary based on the job but generally involve helping businesses streamline transactions and improve operational efficiency.

What are the most common challenges faced by professionals working at i3 Vertical, and how can new team members overcome them?

Professionals at i3 Vertical often face the challenge of rapidly adapting to evolving payment technologies and stringent regulatory requirements. New team members can overcome these hurdles by actively participating in ongoing training, seeking mentorship from experienced colleagues, and staying up-to-date with industry trends. Collaboration across departments is common, so being proactive in communication helps integrate quickly and builds a strong support network. Embracing a solutions-oriented mindset and leveraging the company's resources will position you for long-term success in this dynamic field.

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I3 Vertical jobs near you
Infographic showing various I3 Vertical job openings in the United States as of July 2026, with employment types broken down into 100% Full Time. Highlights an 50% In-person, and 50% Remote job distribution, with an average salary of $84,700 per year, or $40.7 per hour.
Proposal Manager

Proposal Manager

i3 Verticals

Nashville, TN • Remote

Full-time

Posted 16 days ago

i3 Verticals rating

7.5

Company rating: 7.5 out of 10

Based on 5 frontline employees who took The Breakroom Quiz

140th of 215 rated software companies

Job description

JOB TITLE: Proposal Manager

FLSA STATUS: Exempt

DEPARTMENT:  Public Administration & ERP

REPORTS TO: VP of Finance

SUPERVISORY RESPONSIBILITIES: No

JOB LOCATION: Remote

TRAVEL:  5-10%

The Proposal Manager partners cross-functionally with Sales, Product, Legal, Finance, and Operations to execute proposals efficiently, ensure alignment with market strategy, and improve win rates. This role serves as a critical enabler of the sales process by bringing structure, consistency, and expertise to complex bid responses.

ESSENTIAL DUTIES & RESPONSIBILITIES:

Assist verticals by identifying RFPs/RFIs using corporate tools (GovWin, GovSpend)

  • Coordinate with EVP, Sales Manager, Account Executive (AE), Finance, Development, and Legal to determine if opportunities are a strategic fit. All RFPs/RFIs over $100K require a review meeting with Sales Manager, AE, Proposal Manager, EVP, Paul Christians, Lisa Coram, and Alysha Marx.
  • Once determined to move forward with RFP/RFI - Set up and manage tools (Teams, SharePoint, Salesforce, Loopio, Copilot, etc.) in alignment with the RFP Detailed Process to track and execute responses
  • Balance workload based on deadlines and priorities as directed by the Sales Manager and/or EVP
  • Proactively identify and manage risks (contractual, pricing, scope) and escalate as needed
  • Communicate regularly with Sales Managers and EVPs regarding due date changes, priorities, status, and strategy
  • Facilitate client communication following the rules set forth within the bid, such as submitting questions within the allotted timeframe.
  • Monitor and communicate any amendments, deadline changes, or requirement updates
  • Assign sections to SMEs and provide clear guidance on expectations
  • Coordinate with Legal, Finance, and Product teams to gather required inputs
  • Escalate delays or risks impacting deadlines to Lisa Coram and Alysha Marx
  • Develop, draft, and edit proposal content, including cover letters and response narratives
  • Tailor responses to align with client requirements, vertical strategy, and win themes (leveraging prior “won” proposals). Participate in debriefings/lessons-learned sessions after delivery of a proposal to contribute ideas and recommendations towards proposal process improvements.
  • Maintain overall proposal quality by ensuring:
    • All questions are fully answered
    • Requirements are met
    • Submissions are accurate, consistent, and professional
  • Maintain, update, and leverage proposal content libraries and tools (Loopio, Salesforce, SharePoint, Copilot)
  • Set and manage follow-up reminders with AEs, Sales Managers, and EVPs after proposal submission
  • If approved or requested by the vertical EVP and/or CRO – submit and track the FOIA process on any submitted RFI/RFP’s

MINIMUM QUALIFICATIONS (EDUCATION AND EXPERIENCE):

  • High school diploma or equivalent
  • 1+ years of managing proposal content
  • Intermediate to advanced Microsoft Office experience
  • Ability to communicate effectively, conduct presentations, and draft concise and detailed proposals.

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