Cyber Software Engineer: R&D in Next-Gen Cyber Tools

CACI; Florham Park (NJ); On-site; USD 79,000 - 163,000; Full time

Benefits offered by this job

Flexible time off

Learning resources

Healthcare

Job summary

CACI is seeking a Cyber Software Engineer in the United States to design, prototype, and demonstrate cyber tools and capabilities across DoD/IC programs. You will work with teams of software engineers, systems engineers, and data scientists to transition prototypes into operational workflows.

The role requires proficiency in Python and C/C++, a SECRET clearance, and hands-on experience in cyber/ networking R&D.

Qualifications

• 3 years of hands-on experience in software design & development, cybersecurity R&D, systems analysis, or capability development.
• Active SECRET clearance
• Background in networking, distributed systems, or cyber operations concepts.
• Proficiency in Python and C/C++.
• Familiarity with networking and cyberspace modeling & simulation capabilities.
• Ability to work in research-oriented, fast-moving environments with multidisciplinary teams.
• Knowledge in Algorithms & Data Structures
• Understanding of networking concepts and protocols (TCP/IP, TLS).
• Systems engineering experience including profiling and code optimization (CPU, memory, latency)
• Experience with Python – incl. PyTorch, TensorFlow, scikit-learn, SciPy, virtual environment management
• Experience with network programming and protocols: Socket programming such as TCP/UDP, routing protocols, L2/L3 tunneling.

Responsibilities

• Assist in the design and development of innovative cyber tools, techniques, and prototypes that advance next‑generation cybersecurity and networking capabilities.
• Support integration and demonstration of experimental capabilities for customer engagements, including planning and execution of capability demonstrations.
• Assist in implementing and evaluating algorithms, automation approaches, analytics, and modeling techniques relevant to cyber missions.
• Assist with the design and implementation of realistic cyber‑physical test environments to measure system resilience, performance, and operational utility.
• Collaborate with software engineers, systems engineers, data scientists, and mission operators to transition prototypes into operational workflows.
• Prepare technical documentation, status reports, experiment plans, and demonstration materials for internal and external stakeholders.
• Participate in technical reviews, program planning sessions, and cross‑organizational coordination with CS&T leadership.

Skills

Python

C/C++

Networking

Distributed systems

Algorithms & data structures

Cyber operations concepts

Tools

PyTorch

TensorFlow

scikit-learn

Job description

CACI is seeking a Cyber Software Engineer in the United States to design, prototype, and demonstrate cyber tools and capabilities across DoD/IC programs. You will work with teams of software engineers, systems engineers, and data scientists to transition prototypes into operational workflows.

The role requires proficiency in Python and C/C++, a SECRET clearance, and hands-on experience in cyber/ networking R&D.