OOP Middleware Software Engineer

Long term consulting role as a Senior Software Engineer (5+ Years)
Job Description
We are seeking a highly skilled Senior Software Engineer to join our team, supporting mission-critical systems for Navy and Department of Defense (DoD) programs. This role focuses on designing and integrating high-performance software components in distributed environments using Java and C/C++ on Linux platforms.

Responsibilities

• Design, develop, and integrate software components using Java and C/C++ in a Linux OS environment.
• Implement and optimize Linux/Unix socket programming for high-performance communications.
• Develop and integrate middleware technologies such as gRPC, Google Protocol Buffers, and DDS.
• Architect and implement publish-subscribe communication patterns for distributed systems.
• Collaborate on computer networking tasks including protocol design, diagnostics, and performance tuning.
• Apply common design patterns in Java and C++ to ensure scalable and maintainable code.
• Utilize containerization technologies (e.g., Docker) and build infrastructure tools such as Gradle and CMake.
• Participate in research, whitepapers, system rearchitecture planning, design reviews, and technical deep-dives with government and program stakeholders.

Essential Skills

• Bachelor's degree in Computer Science or related field.
• 5+ years of experience in software development with C++ and/or Java.
• Experience working in Linux environments and socket programming.
• Experience with gRPC, DDS, or similar middleware frameworks.
• Eligibility for Secret Clearance (must have before start, we will sponsor).

Additional Skills & Qualifications

• Experience with publish-subscribe architectures and distributed systems.
• Understanding of computer networking principles.
• Experience with containerization and modern build systems (Gradle, CMake).
• Prior experience supporting Navy or DoD programs.
• Experience with legacy system modernization and system-of-systems integration.
• Experience with CI/CD pipelines and DevSecOps practices.

Work Environment
This role will be 100% on-site at a secure facility in Manassas, VA. While phones are not permitted in the labs, they offer a comfortable environment with windows. This position provides an opportunity to research, build prototypes, and play a critical role in modernizing large-scale Navy programs.

Job Type & Location
This is a Long Term Contract position based out of Manassas, Virginia.

Pay And Benefits
The pay range for this position is $ $95.00/hr.

Eligibility requirements apply to some benefits and may depend on your job

classification and length of employment. Benefits are subject to change and may be

subject to specific elections, plan, or program terms. If eligible, the benefits

Available For This Temporary Role May Include The Following

• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type
This is a fully onsite position in Manassas,VA.

Application Deadline
This position is anticipated to close on Oct 21, 2025.

About Actalent
Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing due to a disability, please email for other accommodation options.