Marine Corps MOS · Combat & Infantry
0311 Rifleman
Overview
A Rifleman employs the M4 Service Rifle, M320 Grenade Launcher, M3E1 multi-purpose anti-armor anti-personnel weapons system, and M27 Infantry Automatic Rifle during scouting, assault, and close combat operations. Riflemen form the nucleus of fire teams, rifle squads, LAR scout teams, and infantry battalion scout platoons, while noncommissioned officers lead fire teams, scout teams, and rifle squads.
Core Skills
- Small unit leadership and team coordination
- Tactical communications equipment operation (radios, headsets)
- Use of digital mapping and navigation tools
- Situational awareness and rapid decision-making
- Physical security and access control procedures
- Basic risk assessment and mitigation
- Training and mentoring junior personnel
- Adherence to SOPs and checklists
- Resilience and performance under pressure
- Cross-functional coordination with support elements
Civilian Software & Tools
- ESRI ArcGIS software
- Microsoft Excel
- Microsoft Office software
- Microsoft Outlook
- Microsoft PowerPoint
- Microsoft Word
- Microsoft Windows
Civilian Career Paths
- Private Security
- Physical Security
- Law Enforcement
Training & Development
Getting Started
- Associate Protection Professional (APP) · Funded
- Certified Hazardous Materials Practitioner (CHMP)
- CompTIA Project+
Career Growth
- Certified Associate in Project Management (CAPM) · Funded
- Certified Dangerous Goods Professional (CDGP)
- Certified Protection Professional (CPP) · Funded
Also Common
- Certified Sport Security Professional (CSSP)
What the Work Involves
- Produce or update overlay maps to show information boundaries, water locations, or topographic features on various base maps or at different scales.
- Patrol industrial or commercial premises to prevent and detect signs of intrusion and ensure security of doors, windows, and gates.
- Provide for public safety by maintaining order, responding to emergencies, protecting people and property, enforcing motor vehicle and criminal laws, and promoting good community relations.
- Render aid to accident survivors and other persons requiring first aid for physical injuries.
- Record facts to prepare reports that document incidents and activities.
Related Occupations
- Detectives and Criminal Investigators
- First-Line Supervisors of Police and Detectives
- Geodetic Surveyors
- First-Line Supervisors of Security Workers
Typical preparation for these civilian roles: vocational training or an associate degree.
Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.
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