Job Description

Position Overview

We are seeking a motivated and technically minded Junior Project Manager (Jr. PM) to support IT infrastructure, systems, networking, and cybersecurity projects. The ideal candidate has a foundational understanding of how IT environments operate, including the logical relationships between servers, network switches, workstations, and security controls.

Experience supporting federal government or Department of Defense (DoD) IT programs is highly desirable. Familiarity with the Risk Management Framework (RMF) and the system authorization process is a significant plus.

This position is ideal for someone who combines strong organizational and communication skills with enough technical knowledge to coordinate effectively with network engineers, system administrators, cybersecurity professionals, and government stakeholders.

Key Responsibilities

• Support the planning, coordination, execution, and tracking of IT infrastructure and cybersecurity projects.
• Coordinate project schedules, milestones, deliverables, action items, risks, issues, and dependencies.
• Work with technical teams to understand project requirements, identify blockers, and communicate progress to stakeholders.
• Maintain project documentation, status reports, meeting minutes, schedules, and other program deliverables.
• Develop a high-level understanding of system architectures and how servers, switches, workstations, and network security components interact.
• Assist with coordinating network, systems, and cybersecurity activities across multiple technical teams.
• Support the collection, organization, and tracking of cybersecurity documentation, security controls, and compliance evidence.
• Assist with Risk Management Framework (RMF) activities, including documentation, security control implementation tracking, assessment preparation, and authorization-related deliverables.
• Track project risks, issues, and dependencies and escalate concerns to project leadership as appropriate.
• Participate in technical meetings and translate discussions into clear action items, decisions, and project updates.
• Help ensure project activities align with customer requirements, contractual deliverables, security policies, and established timelines.

Required Qualifications

• Bachelor's degree in Information Technology, Information Systems, Cybersecurity, Computer Science, Project Management, or a related field; equivalent practical experience may be considered.
• Approximately 1–3 years of experience in IT project coordination, technical support, systems administration, networking, cybersecurity, or a related technical environment.
• Foundational understanding of IT infrastructure, including servers, network switches, workstations, IP networking, and basic network connectivity.
• Ability to understand, at a high level, how systems communicate across a network and how infrastructure components depend on one another.
• Strong organizational, written communication, verbal communication, and follow-through skills.
• Ability to coordinate technical personnel, manage competing priorities, and track deliverables to completion.
• Proficiency with common project tracking and documentation tools, such as Microsoft Excel, PowerPoint, Word, Teams, and project scheduling or task management software.

Preferred Qualifications

• Experience supporting federal government, DoD, or other government IT programs.
• Familiarity with the Risk Management Framework (RMF) , including its purpose, lifecycle, and role in system authorization.
• Exposure to RMF-related documentation and processes, such as System Security Plans (SSPs), security control assessments, Plans of Action and Milestones (POA&Ms), and Authority to Operate (ATO) packages.
• Experience working with cybersecurity, network engineering, systems administration, or IT infrastructure teams.
• Familiarity with security compliance requirements, NIST publications, and federal information security processes.
• Understanding of basic network concepts, including IP addresses, subnets, routing, switching, firewalls, and network segmentation.
• Experience with Agile, Waterfall, or hybrid project management methodologies.
• Relevant certifications, such as CompTIA Security+, Network+, CAPM, or an equivalent entry-level project management or technical certification.
• Ability to obtain and maintain a government security clearance, if required by the contract.

Marathon TS is committed to the development of a creative, diverse and inclusive work environment. In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Marathon TS will be based on merit, qualifications, and abilities. Marathon TS does not discriminate against any person because of race, color, creed, religion, sex, national origin, disability, age or any other characteristic protected by law (referred to as "protected status ").

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