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Three Letter Agency Jobs (NOW HIRING)

HII's Mission Technologies division

$122K - $165K/yr

Must be a graduate of the JCITA FOSS course or 3-letter agency equivalent * JCITA Due Diligence Course graduate or equivalent course * 5+ years of Due Diligence experience. * Knowledge of various ...

HII's Mission Technologies division

$122K - $165K/yr

Must be a graduate of the JCITA FOSS course or 3-letter agency equivalent * JCITA Due Diligence Course graduate or equivalent course * 5+ years of Due Diligence experience. * Knowledge of various ...

BAE Systems

Dir II- Capture Mgmt

Mclean, VA · On-site

$173K - $294K/yr

Demonstrated ability to establish and maintain customer relationships at three-letter agencies * Deep understanding of IC/DoD professional services landscape * One or more Agile certifications (SAFe ...

BAE Systems

Dir II- Capture Mgmt

Mclean, VA · On-site

$173K - $294K/yr

Demonstrated ability to establish and maintain customer relationships at three-letter agencies * Deep understanding of IC/DoD professional services landscape * One or more Agile certifications (SAFe ...

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How much do three letter agency jobs pay per year?

As of Aug 24, 2026, the average yearly pay for three letter agency in the United States is $64,375.00, according to ZipRecruiter salary data. Most workers in this role earn between $53,000.00 and $73,500.00 per year, depending on experience, location, and employer.

What is the difference between Three Letter Agency vs Cybersecurity Analyst?

AspectThree Letter AgencyCybersecurity Analyst
Required CredentialsSecurity clearances, specialized trainingCertifications like CompTIA Security+, CISSP, degree in cybersecurity or related field
Work EnvironmentGovernment facilities, classified settingsCorporate offices, IT departments, consulting firms
Employer & Industry UsageFederal agencies, defense, intelligencePrivate sector, cybersecurity firms, government agencies
Common Search & ComparisonOften compared for security clearance and mission scopeCompared for technical skills and industry focus

While both roles involve security and technical expertise, a Three Letter Agency typically requires security clearances and works in classified government environments. A Cybersecurity Analyst focuses on protecting organizational networks and systems, often in private or public sectors, with certifications like CISSP or Security+. Understanding these differences helps job seekers identify the right career path based on credentials, work environment, and industry focus.

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Due Diligence Specialist (Mission Assurance 4) - 28270

HII's Mission Technologies division

On-site

$122K - $165K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 7 days ago

Job description

Requisition Number: 28270 

Required Travel: 0 - 10%

Employment Type: Full Time/Salaried/Exempt

Anticipated Salary Range: $122,042.00 - $165,000.00 

Security Clearance: TS/SCI with Poly  

Level of Experience: Senior HI

This opportunity resides with All-Domain Operations (ADO), a business group within HII's Mission Technologies division. All-Domain Operations comprises multi-domain operations, platforms and logistics, and intelligence operations.

HII designs, develops, integrates and manages the sensors, systems and other assets necessary to support integrated ISR operations and accelerated decision-making. With data fusion and mission management capabilities for the Department of Defense, the combatant commands and the intelligence community, HII advances the mission around the globe.

Leadership Mindset at HII - Mission Technologies

Leadership at HII is a mindset, not a title. Through our Leadership Capability Framework, we define how every team member contributes to our mission and culture:

  • Know & Grow Your People - Commit to learning and supporting team success.
  • Build Relationships - Communicate openly, collaborate well, and build trust.
  • Take Ownership - Deliver on commitments and take pride in your work.
  • Customer First - Focus on the mission and those we serve.
  • Shape the Future - Bring ideas, curiosity, and continuous improvement.
  • Act with Urgency - Take initiative and follow through with purpose.

These capabilities guide how all employees contribute to our shared success across Mission Technologies.

Job Description

HII Mission Technologies is seeking a quality military veteran or IC Agency counterpart to join our team supporting our customer operations in the Fort Meade, MD area. This position is for a Due Diligence Analyst (Mission Assurance 4) supporting a complex program, for a Combatant Command (CCMD). 

  • The Due Diligence Analyst will support research and analysis efforts in support of a DOD customer.
  • The applicant will operate in a Joint and or DoD unique environment.
  • Execute both scheduled and unscheduled Assessment, Risk Management, and Due Diligence assessments across diverse plans, platforms, programs, and operational functions.
  • Supports task areas while coordinating closely with engagement team management and client leadership on strategy, planning, execution, status, and review processes.
  • Adapts to a changing client environment while meeting client expectations
  • Manages priorities and works effectively to initiate correspondence and task completion. Supports multiple efforts through flexible multi-task coordination
  • Provides summary recommendations to team leadership regarding assigned work stream
  • Applies fundamental industry knowledge and standards to support client reviews, improvements, and/or implementations
  • Prepares presentations, briefings, and actively participates in client meetings and day-to-day interactions
  • Communicates with team management through effective status reporting and demonstrates ownership and accountability for assigned task areas and work products
  • Establishes professional rapport with clients and other organizations
  • Evaluates work products for technical accuracy, deliverable quality, and overall value to the client
  • Attends relevant training, business seminars, and/or conferences to stay current with technical skills that align with client's needs and changes in the industry
Essential Job Responsibilities
  • Familiarity with current DoD policies regarding Risk Management is required.
  • Computer literate, with a strong understanding of Social Media analysis, and proficiency in Microsoft applications.
  • Excellent communication, interpersonal and presentation skills.
  • Self-starter who proactively iniates projects, identifies issues and develops sloutions in real-time with limited supervision.
  • Position supports multiple mission partners; incumbent must be able to travel within the continental US and OCONUS locations as required.
  • Position is located at Fort Meade, MD
Minimum Qualifications

9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience.

  • Must be a graduate of the JCITA FOSS course or 3-letter agency equivalent
  • JCITA Due Diligence Course graduate or equivalent course
  • 5+ years of Due Diligence experience.
  • Knowledge of various open source, digital behaviors, and common platforms utilized in one or more Combatant Command's Areas of Responsibility
  • Experience within the Intelligence Community, CCMDs (J2X/3X), CI/HUMINT/SOF
  • MUST possess a current TS security clearance with SCI eligibility and Counterintelligence scope polygraph.

#LI-RM1

Preferred Requirements
  • JCITA Advance Planners Course
  • JCITA Advanced Technicians Course
  • JCITA FOSS Course
  • Counterintelligence Special Agent Credentials

In lieu of the above courses or training, candidates may demonstrate experience in equivalent service-related or commercially validated courses

Physical Requirements
May require working in an office, industrial, shipboard, or laboratory environment. Capable of climbing ladders and tolerating confined spaces and extreme temperature variances.


The listed salary range for this role is intended as a good faith estimate based on the role's location, expectations, and responsibilities. When extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills.
Meet HII's Mission Technologies Division
Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense - the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that's right for you. Apply today. We look forward to meeting you.
To learn more about Mission Technologies, click here for a short video: https://vimeo.com/732533072
HII is more than a job - it's an opportunity to build a new future. We offer competitive benefits such as best-in-class medical, dental and vision plan choices; wellness resources; employee assistance programs; Savings Plan Options (401(k)); financial planning tools, life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post-secondary education scholarships. Bonus/other non-recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by the recruiter at the screening phase of application.
Why HII
We build the world's most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
Recognized as one of America's top large company employers, we are a values and ethics driven organization that puts people's safety and well-being first. Regardless of your role or where you serve, at HII, you'll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career.
Together we are working to ensure a future where everyone can be free and thrive.
All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law.
Do You Need Assistance? 
If you need a reasonable accommodation for any part of the employment process, please send an e-mail to buildyourcareer@hii-co.com and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case-by-case basis. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to from this email address. Additionally, you may also call 1-844-849-8463 for assistance. Press #3 for HII Mission Technologies.

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