Senior Full Stack Engineer (Java React) | Defense & Cybersecurity | Dedham, MA

🔐 Senior Full Stack Engineer (Java / React)

Mission-Critical Cybersecurity Applications

📍 Location: Dedham, Massachusetts (100% Onsite)
🏭 Industry: Aerospace · Defense · Cybersecurity
🎓 Education: Bachelor’s Degree required
🧠 Level: Mid–Senior
🛡 Security Clearance: Active DoD Secret required at hire
🇺🇸 Citizenship: U.S. Citizenship required
💼 Employment Type: Full-Time | Permanent
✈️ Travel: Occasional
🔁 Relocation: Available

🚀 The Opportunity

A leading national security technology organization is seeking a Senior Full Stack Engineer (Java/React) to help build and evolve mission-critical cybersecurity management applications used in highly secure environments.

This role sits at the heart of a rapidly expanding product line, where software quality, performance, and security are non-negotiable. You’ll work with a cross-functional engineering team developing next-generation encryptor and cyber management platforms, using modern full-stack technologies in a classified setting.

🎯 What You’ll Be Working On

As a Senior Full Stack Engineer, you’ll contribute across the entire application lifecycle, helping design, build, and enhance secure enterprise applications that protect critical systems and data.

You’ll operate at the intersection of backend enterprise Java and modern React-based frontends, while adhering to strict security and reliability standards.

🧩 Key Responsibilities

• Design, develop, and enhance mission-critical cybersecurity applications

• Build scalable backend services using Java / Enterprise Java

• Develop intuitive, secure front-end components using React

• Work with SQL/PostgreSQL databases to support complex application workflows

• Collaborate within Agile, cross-functional teams

• Apply secure coding practices aligned with defense and cybersecurity standards

• Take ownership of features from concept through delivery

• Provide technical guidance and contribute to architectural decisions

🛠 Required Technical Experience

• 5+ years of professional software development experience
  (or Master’s degree + 3 years)

• Strong experience with:

• Java / Enterprise Java (EJBs, Spring, Hibernate)

• JavaScript / React

• SQL or PostgreSQL

• Solid understanding of software engineering principles and best practices

• Experience working in Agile environments

⭐ Nice-to-Have Skills

• WildFly application server

• REST APIs / RESTCONF interfaces

• Material UI

• Secure application development practices

• Public Key Infrastructure (PKI) & digital certificates

• SNMP familiarity

🧠 What Sets You Apart

• Passion for solving complex, high-impact engineering problems

• Ability to define scope, timelines, and technical expectations independently

• Comfortable providing technical leadership without formal people management

• Quick learner who thrives in evolving, high-stakes environments

• Strong collaborator who communicates clearly across teams

🔐 Security Requirements

• Active DoD Secret Clearance required at hire

• Ability to maintain clearance

• U.S. Citizenship required due to classified work

🏢 Work Environment

• Fully onsite role (no remote or hybrid option)

• Secure facility supporting classified programs

• Collaborative, mission-focused engineering culture

🎁 What’s Offered

• Competitive base compensation - $130,000 - $145,000 (Depending on Experience)

• Comprehensive benefits package including:

• Medical, dental, and vision coverage

• 401(k) with company match

• Paid parental leave

• Flexible time-off programs

• Health & wellness initiatives (including on-site fitness options)

• Long-term career growth on national security programs

📌 Candidate Snapshot

Attribute

Details

Role

Senior Full Stack Engineer (Java/React)

Clearance

Active DoD Secret

Location

Dedham, MA (Onsite)

Stack

Java, React, SQL

Experience

5+ years

Industry

Defense / Cybersecurity

Travel

Occasional

💡 Why This Role Matters

This is not just another full-stack role. You’ll be building secure software systems that directly support national defense and cybersecurity missions, where your code has real-world consequences and long-term impact.

Senior Engineering Manager – Undersea Systems – Canonsburg, PA - $195,000 - $205,000 (Flexible DOE)

Senior Engineering Manager – Undersea Systems – Canonsburg, PA - $195,000 - $205,000 (Flexible DOE)

We are looking for a highly skilled and experienced Senior Engineering Manager (SEM) to lead a world-class engineering team dedicated to the development of advanced weapon systems. In this role, you will oversee the design, testing, and production support of cutting-edge systems for the Department of Defense. You will play a key role in managing complex projects while ensuring the performance excellence of a mid-sized engineering department. The successful candidate will balance leadership responsibilities with direct involvement in program tasking, driving both technical and managerial success.

 Key Responsibilities 

-          Lead and manage engineering teams in System Engineering, Integration & Test (SEIT), Electrical Engineering, Software Engineering, Mechanical Engineering, and Configuration/Data Management. 

-          Provide leadership in the development and execution of engineering tasks for complex DoD programs, ensuring alignment with customer requirements and system performance. 

-          Oversee all aspects of team management including recruitment, hiring, onboarding, career development, coaching/mentoring, and performance management. 

-          Collaborate with the Program Manager, Chief Engineer, and program leads to make critical decisions on system architecture, design, and technology choices. 

-          Lead the creation of proposals, technical strategies, and cost estimates. 

-          Drive risk mitigation efforts and ensure all engineering teams contribute to risk management plans. 

-          Promote innovative technology initiatives and ensure cross-functional collaboration. 

-          Establish operational objectives, work plans, and performance measures, and delegate assignments effectively. 

-          Conduct senior management reviews to evaluate the success of engineering operations and adjust strategies as necessary.

 Qualifications 

-          Basic Qualifications: 

-          Bachelor's degree in Electrical, Software, Mechanical, or Systems Engineering, plus a minimum of 10 years of relevant experience; or Master's degree with at least 8 years of experience. 

-          Leadership experience managing engineering teams and overseeing development and production programs, including budget and scheduling responsibilities. 

- Preferred Skills: 

-          Hands-on engineering experience in complex embedded electronics programs within the past 4 years. 

-          Proven experience leading weapon system development and embedded electronics programs. 

-          Expertise in real-time systems, high-reliability performance, and operations in extreme environments. 

-          Excellent technical leadership, including guiding teams through design, test, integration, and production. 

-          Strong ability to communicate and negotiate effectively with stakeholders. 

-          Experience in managing geographically dispersed teams and collaborating across functional areas. 

-          Ability to deliver design artifacts, engineering models, proof-of-design units, manufacturing units, and factory test equipment. 

 Clearance Requirements 

-          Department of Defense Secret security clearance must be obtainable within a reasonable amount of time from hire. U.S. citizenship is required due to the nature of the work performed.

 What Sets You Apart 

-          Experience developing complex integrated hardware and software systems requiring high reliability and real-time performance. 

-          Demonstrated success in building and managing high-performing teams. 

-          Proven track record of leading engineering projects from concept to production. 

-          Strong negotiation and consensus-building skills with customers and internal teams. 

-          Technical and management credibility in the defense sector. 

 Our Commitment to You 

-          An exciting career path with opportunities for continuous learning and development. 

-          Competitive benefits package, including 401k matching, flexible time off, healthcare benefits, health and wellness programs, and more. 

-          Research-oriented work on security-critical systems alongside award-winning teams. 

-          Flexible schedules, including the option of a 9/80 schedule (every other Friday off). 

If you are ready to make an impact on national security and lead a team of innovative engineers, we encourage you to apply.