Senior Project Manager

Marksman Security LLC · Atlanta, GA

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Marksman Security is built on serving our clients and building careers – just like yours. We are trusted by some of the most well-known companies and properties in the country while remaining dedicated to building personalized security solutions that solve the needs of every customer we support. Named as a nationally recognized Top Workplace in 2024 and 2025 by USA Today, Marksman's customized approach to security services will provide you with the opportunity to learn, grow and succeed. Our core values of being Unified, Transparent, Innovative, Committed and Accountable help us in providing unparalleled service and support in all that we do. If you are looking for a meaningful career, a culture of excellence, and the ability to make a difference, we want to talk to you!

Position Summary

The Transition / Senior Project Manager (SPM) is the single-threaded project leader for a new portfolio. This role has a dual mandate: (1) lead the end-to-end transition and mobilization of the portfolio launches, and (2) evolve into the Sr. PM responsible for ongoing portfolio program coordination across all client verticals  and all functional teams (Operations, Recruiting, HR, Compliance, Training, Scheduling, Logistics, Reporting/Analytics, and Finance/Billing). The SPM owns the master portfolio plan, governance cadence, RAID and decision management, and cross-vertical initiatives that improve performance, reduce friction, and ensure consistent execution.

Primary Objectives

  1. Transition success: Mobilization milestones achieved on schedule; readiness gates met before go-live; minimal day-one disruption.
  2. Portfolio operating rhythm: Predictable governance cadence across the three verticals with clear decisions, actions, and escalation SLAs.
  3. Cross-vertical coordination: Dependencies managed across Retail, Data Centers, and Corporate; shared processes standardized where possible.
  4. Operational transparency: Executive-ready reporting and dashboards that surface risks early and drive corrective actions to closure.
  5. Continuous improvement: A living roadmap of cross-functional initiatives that reduce fire drills, improve service consistency, and strengthen client experience.

Core Responsibilities

  1. A) Transition Leadership (Mobilization Phase)
  1. B) Senior PM – Portfolio Coordination (Steady-State Phase)
  1. C) Program Controls (RAID, Decisions, Reporting, and Governance)
  1. D) Cross-Functional Leadership

 

Key Deliverables

Required Qualifications

Preferred Certifications (

Skills & Competencies

KPIs for Success

Working Conditions / Travel

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