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USMC2621

Communications Intelligence/Electromagnetic Warfare Operator

Operates and maintains special intelligence communication systems and networks. Processes, analyzes, and disseminates signals intelligence information.

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Recruiter vs. Reality
What they tell you

You'll operate the communication backbone of Marine special intelligence — the systems that move classified information supporting SIGINT collection across the MAGTF. This is a TS/SCI world that most Marines never touch, and the combination of operational Marine credibility plus cleared signals systems experience puts you in a hiring category that defense contractors and NSA are always recruiting from.

What it's actually like

You'll manage special intelligence communication systems that keep the Marine Corps connected to the intelligence it needs to operate in denied environments. The classified side of Marine communications is a small community — you'll know most of the other 2621s within a couple of years. Shift work is standard, the information security requirements are constant and non-negotiable, and the work itself cycles between genuinely consequential and mind-numbing system administration. The TS/SCI is real and worth serious money on the outside. What recruiters don't say: the family and friends explanation for what you do is permanently limited to "communications," and you just get used to that. NSA, DIA, and cleared defense contractors hire from this background reliably — the 2621 community has a well-worn path out.

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MOS Intel

ClearanceTS/SCI
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PromotionFast
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Deploy TempoModerate
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BonusUp to $30,000
Career Intel
Duty StationsCamp Pendleton (CA) · Camp Lejeune (NC) · Fort Meade (MD) · Quantico (VA) · Various SIGINT sites
Daily LifeSignals intelligence collection, analysis, and reporting. Working with classified systems to identify and exploit communications. Good assignments feel like working at NSA. Fleet assignments involve more tactical SIGINT support to MEFs and MEUs.
AIT / SchoolTraining at Corry Station (Pensacola, FL) is 6+ months of SIGINT fundamentals and language training (if assigned a language). The clearance investigation runs concurrently. Pensacola is a decent training location with beach access on weekends.
Physical DemandsLow to moderate. Intelligence work is desk-based but Marines still meet Marine Corps physical standards. Field exercises with radio battalions involve carrying SIGINT equipment.
DeploymentsDeploys with MEUs and intelligence battalions; some TDY to NSA and theater SIGINT sites
Certifications
TS/SCI clearance (maintained)SIGINT analyst qualificationsLanguage proficiency (DLPT scores)
Pro Tips
  1. 1Your TS/SCI and SIGINT experience are worth six figures in the contracting world. Start networking with NSA and defense contractors while you're still in.
  2. 2If assigned a language, maintain your DLPT scores — language pay is extra income and language skills make you more competitive for agency jobs.
  3. 3Push for a Fort Meade or Quantico assignment. The three-letter agency proximity and networking opportunities are career-defining.
The Honest Truth

The 2621 is one of the Marine Corps' best-kept secrets for post-military career potential. The TS/SCI clearance combined with SIGINT experience puts you in an incredibly lucrative job market. The recruiter might not even know what this MOS does — it's that niche. The reality: your experience varies massively by assignment. NSA or agency billets are fascinating work with incredible learning opportunities. Fleet SIGINT can mean sitting in a radio van for 12-hour shifts copying morse code or monitoring frequencies. Either way, the credentials you walk away with — clearance, SIGINT training, and potentially a language — are worth more than most four-year degrees in the intelligence job market.

Training Pipeline
1
Recruit Training13w
Parris Island (SC) or MCRD San Diego (CA)
2
MCT4w
Camp Geiger (NC)
3
Signals Intelligence Analyst Course26w
Fort Meade (MD)
SIGINT collection, analysis, reporting. TS/SCI required. NSA partnership.
On the Outside

What this actually is in the real world

Your skills translate. Here's what civilian employers call this job — and what they pay.

SIGINT Analyst

Dead-on match
$95,000$65,000$145,000/yr median
Job market: Average

NSA / Intelligence Contractor

Dead-on match
$115,000$80,000$165,000/yr median
Job market: Average

Electronic Warfare Analyst

Strong match
$88,000$60,000$130,000/yr median
Job market: Average

Cybersecurity Analyst

Related field
$112,000$72,000$168,000/yr median
Job market: Strong growth
Salary data estimated from BLS Occupational Employment and Wage Statistics and comparable civilian roles. Figures are approximations — use as a guide, not a guarantee.
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