CACI International

Cyber Software Engineer, Junior

CACI International$79K — $162K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 2+ years of hands-on experience in software design & development, cybersecurity R&D, systems analysis, or capability development.
  • Active SECRET clearance.
  • Ability to work in fast-moving, research-oriented environments with multidisciplinary teams.
  • Background in networking, distributed systems, or cyber operations concepts.
  • Proficiency in Python, including libraries like numpy, pytorch, sklearn, and scipy.
  • Understanding of networking concepts and protocols such as TCP/IP and TLS.
  • Experience with network programming and protocols such as TCP/UDP.

Responsibilities

  • Assist in the design and development of innovative cyber tools and techniques.
  • Support integration and demonstration of experimental capabilities for customer engagements.
  • Assist in implementing and evaluating algorithms and automation approaches relevant to cyber missions.
  • Collaborate with engineers to transition prototypes into operational workflows.
  • Prepare technical documentation and status reports for stakeholders.
  • Participate in technical reviews and program planning sessions.

Benefits

  • Flexible time off benefit to support work-life balance.
  • Access to robust learning resources for career development.
  • Comprehensive healthcare and wellness benefits.
  • Financial and retirement support options.
  • Family support benefits.
Full Job Description
Job Title: Cyber Software Engineer, Junior

Job Category: Engineering

Time Type: Full time

Minimum Clearance Required to Start: Secret

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Continental US

* * *


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.
• 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.

Qualifications:

Required: 

• 2+ years of hands‑on experience in software design & development, cybersecurity R&D, systems analysis, or capability development.
• Active SECRET clearance
• Ability to work in research‑oriented, fast‑moving environments with multidisciplinary teams.
• Background in networking, distributed systems, or cyber operations concepts.
• Proficiency in Python including libraries such as numpy, pytorch, sklearn, and scipy.
• Familiarity with networking and cyberspace modeling & simulation capabilities.
• Knowledge of Algorithms & Data Structures
• Understanding of networking concepts and protocols. (E.g., TCP/IP, TLS)
• Systems engineering experience including profiling and code optimization (CPU, memory, latency)
• 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
• Active Top Secret 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 career and in our legacy.


Pay Range:

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

The proposed salary range for this position is:

$79,400 - $162,700

About CACI International

CACI International Inc is a multinational professional services and information technology company. It provides services to many branches of the federal government including defense, homeland security, intelligence, and healthcare. CACI has approximately 23,000 employees worldwide. The company's mission is to provide enterprise and mission technology services and solutions that best fit the needs of its customers. CACI has been named a Fortune World's Most Admired Company, a Washington Post Top Workplace, and a Forbes Best Employer for Diversity.
Learn more about CACI International
Size
22,000 employees
Market Cap
$7.1 billion
Industry
Net Income
$374.4 million
Founded
1962
5 Year Trend
+7.3%
Revenue
$5.8 billion
NASDAQ

Similar Jobs

More Jobs at CACI International

More Information Technology Jobs

Find similar Cyber Software Engineer, Junior jobs: