Cyber Software Engineer Security Clearance

Position: Cyber Software Engineer with Security Clearance
Job Title:

Cyber Software Engineer Job Category:
Engineering Time Type:
Full time Minimum Clearance Required to Start:
Top Secret Employee Type:
Regular Percentage of

Travel Required:

None Type of Travel:
None *
*
* The Opportunity:

Join the Cyber Science & Technology (CS&T) team supporting advanced research, development, experimentation, and operational support to tackle challenges in networking and cybersecurity. CS&T engineers help design, prototype, and transition cutting- edge capabilities that enhance national security missions. You will contribute to mission - driven R&D, including customer
-aligned demonstrations, internal IRAD efforts, and cyber capability development supporting programs and customers across the DoD and IC. 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.

• Implement and evaluate 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.

• Support staffing, capability planning, and technical assessments tied to program requirements.

Qualifications:

Required:

• Active Secret clearance

• Bachelor's degree in computer science or related field with a minimum of 5 years' experience.
• Hands- on experience in software design & development, cybersecurity R&D, systems analysis, or capability development.

• Strong background in networking, distributed systems, or cyber operations concepts.

• High 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.

• Strong Algorithms & Data Structures knowledge

• Understanding of networking concepts and protocols. (E.g., TCP/IP, TLS)

• Systems engineering experience including profiling and code optimization (CPU, memory, latency)

• Experience with Python - incl. Pytorch, tensor flow, sklearn, scipy, virtual environment management

• Experience with network programing and protocol:
Socket programing such as TCP/UDP, routing protocols, L2/L3 tunneling. Desired:

• Experience supporting government research-oriented customers or service cyber components.

• Experience developing cyber-physical test ranges, simulation environments, or digital twins.

• Familiarity with orchestration frameworks, cloud environments, or advanced analytics.

• Experience in computer vision, machine learning, mathematical optimization, understanding of video encoding

• Experience working on multithreaded, distributed high-performance systems

• Active TS/SCI clearance.

- What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day.

You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your…