1956-Modern Mission Software Engineer - SME (Pax River, MD)

Senior Software Engineer – Defense Sector (Java / Full Stack)

Location: Annapolis Junction, MD ( Pax River)
Employment Type: Full-Time, Direct Hire
Security Clearance Required: Active TS/SCI with Full Scope Polygraph
Salary Range: $150,000 – $200,000/year (based on experience, location, and contract specifics)

LHH is recruiting on behalf of a confidential defense client to hire a Senior Software Engineer for a high-impact role supporting national security initiatives. This position focuses on back-end and full-stack development using Java (Spring Boot), with opportunities to contribute to mission-critical systems in a secure, collaborative environment.

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Key Responsibilities

• Design & Build: Develop scalable, high-performance software solutions using Java (Spring Boot).

• Enhance Systems: Improve and expand features on the RAD platform.

• Collaborate: Work closely with system architects and engineers in a cross-functional team.

• Troubleshoot: Investigate and resolve complex technical issues.

• Document: Maintain clear and comprehensive technical documentation.

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Required Qualifications

• 8 years of software engineering experience (development, integration, testing).

• 6 years working with high-level languages (Java, C/C , JavaScript).

• 3 years on Windows or UNIX/Linux/CentOS platforms.

• Strong background in object-oriented design, system architecture, and software testing.

• Proven ability to mentor junior developers and produce technical documentation.

• Active TS/SCI with Full Scope Polygraph (polygraph must be within the last 7 years).

• U.S. Citizenship is required.

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Preferred Skills & Technologies

• Data Flow: Apache NiFi

• Search & Analytics: Elasticsearch

• Containerization: Docker

• Cloud Platforms: AWS

• Agile Methodologies: Scrum, Kanban

• Domain Knowledge: Government reporting/dissemination policies

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Tech Stack Highlights

• Languages & Frameworks: Java, Spring Boot, JavaScript, Angular, React, Node.js

• Databases: MongoDB, MySQL, Oracle, Postgres

• Tools: Git, Jira, Maven, Docker, Selenium

• Government Tech: NiFi, GHOSTMACHINE, THECATALOG

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Education Requirements

• Bachelor’s degree in Computer Science or related field
  (Four additional years of SWE experience may substitute for a degree)

• Master’s degree may substitute for two years of experience

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Compensation & Benefits

• Salary: $150,000 – $200,000/year, based on experience and location

• Health Benefits: Comprehensive medical, dental, and vision coverage

• Retirement: 401(k) with company match

• Paid Time Off: Generous PTO policy including vacation, sick leave, and federal holidays

• Additional Perks:

  • Career development opportunities

  • Long-term contract stability

  • Employee-focused culture with advancement potential

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Challenges You May Encounter

• Working with legacy systems and integrating them into modern SOA frameworks

• Navigating niche government technologies (e.g., GHOSTMACHINE, THECATALOG)

Pay Details: $150,000.00 to $200,000.00 per year

Search managed by: Cheyanne Muller

Equal Opportunity Employer/Veterans/Disabled

To read our Candidate Privacy Information Statement, which explains how we will use your information, please navigate to https://www-uat.lhh.com/us/en/candidate-privacy

The Company will consider qualified applicants with arrest and conviction records in accordance with federal, state, and local laws and/or security clearance requirements, including, as applicable:

• The California Fair Chance Act
• Los Angeles City Fair Chance Ordinance
• Los Angeles County Fair Chance Ordinance for Employers
• San Francisco Fair Chance Ordinance

Massachusetts Candidates Only: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.