Line Stander Jobs in California (NOW HIRING)

The Defense Sector at Leidos, supporting the Overlord/Medium Unmanned Surface Vessel (O/MUSV) Program, is seeking Deckhands with Entry level USCG Merchant Mariner Credentials and corresponding STCW certificates to support a dynamic high growth organization. The O/MUSV program is based in Port Hueneme, CA, and is responsible for delivering cutting edge autonomous vessel technology to the US Navy. The program operates and maintains prototype autonomous vessels for test and evaluation of the vessels as well as developing operations, maintenance, logistics and training procedures for the autonomous Fleet of the future.
Deckhands work rotating 12 hour shifts, on a 28 day on/28 day off rotation. Duties include preparation, preservation, and cleanliness of navy watercraft, watch standing at sea and in port, and pre/post mission craft readiness functions. Provides basic facility maintenance support, hotel services, and cleaning duties.
Primary Responsibilities

• Crew Member (Deckhand) shall be experienced in basic seamanship duties and capable of performing as line handler, watch stander and ship's crew as required.
• Reports to Master and Ops Coordinator for autonomy equipped O/MUSV ship, working at-sea and/or dockside environments.
• Assists in preparation, preservation, and cleanliness of the ship, and any associated equipment.
• Assists in pre/post mission craft readiness functions
• Provides basic facility maintenance support and cleaning duties
• May assist in facility security and visitor control function
• You will participate in Leidos and Government safety programs.
• This position will require close cooperation and working relationships with active-duty military and other Government personnel.

Basic Qualifications

• Position requires the ability to perform in an arduous duty environment
• High school diploma or equivalent
• Must be a US Citizen
• Must be able to pass a background check and gain access to US Military Facilities
• Previous experience performing basic seamanship duties
• Familiarity with small boat operation, basic small craft maintenance, line handling, and launching/recovering from trailers
• Ability to lift 40lbs
• Individuals must possess the ability and demeanor to share common spaces over lengthy deployment periods and work closely with others in a small working area and in a shipboard environment
• Must be able to communicate effectively
• USCG Entry Level MMC or greater with Medical Certificate

Preferred Qualifications

• Prior US service afloat on US Government vessels
• STCW RFPNW

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.
Original Posting:
July 21, 2026
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $40,300.00 - $72,850.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.