Senior R&D Engineer- Cryptography

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:

Hybrid options!

We are seeking an innovative, self-driven Senior Cryptography R&D Engineer to join our cutting-edge team working on critical projects for the US Army and Department of Defense. In this role, you will design, develop, and implement advanced cryptographic algorithms and Identity, Credential, and Access Management (ICAM) systems to safeguard sensitive data across various digital platforms. As a key member of our R&D team, you'll be responsible for ensuring the confidentiality, integrity, and authenticity of critical information, while also conducting hands-on research and providing technical expertise in the ICAM domain. Your skills will be crucial in identifying vulnerabilities in existing security systems, creating robust next-generation solutions, and contributing to the development of state-of-the-art encryption and access management technologies. This position offers an exciting opportunity to push the boundaries of data protection and make a significant impact on national security through innovative research and development.

Responsibilities:

• Typically has a University Degree (BA/BS) or equivalent experience and minimum 7 years of related work experience.

• Active DoD Secret Clearance

• Expertise in security domains, including cryptography, network security, and zero trust architecture

• Experience with functional programming languages (Clojure preferred) and software design in a functional paradigm

• Strong background in algorithms, formal methods, or related academic/professional research

• Proficiency in relational databases (e.g., PostgreSQL) and complex SQL queries

• Experience with Linux, shell scripting, Git, and containerization technologies

• Excellent communication, presentation, and collaboration skills

Qualifications:

Required:

• Typically has a University Degree (BA/BS) or equivalent experience and minimum 7 years of related work experience.

• Active DoD Secret Clearance

• Expertise in security domains, including cryptography, network security, and zero trust architecture

• Experience with functional programming languages (Clojure preferred) and software design in a functional paradigm

• Strong background in algorithms, formal methods, or related academic/professional research

• Proficiency in relational databases (e.g., PostgreSQL) and complex SQL queries

• Experience with Linux, shell scripting, Git, and containerization technologies

• Excellent communication, presentation, and collaboration skills

Desired:

• Experience with post-quantum cryptography

• Knowledge of PLT/compiler design

• Familiarity with modeling complex systems using graph theory or category theory

• Experience with Python and DevOps practices

• Background in security architecture and threat modeling

We encourage candidates with significant competencies in a majority of the listed qualifications, or extremely strong expertise in a smaller number of areas, to apply. Multiple positions are available for this project.

If you are passionate about cutting-edge research in ICAM systems and have a strong background in security and software engineering, we invite you to join our team and contribute to critical projects for the US Army and Department of Defense.

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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.

Your potential is limitless. So is ours.

Learn more about CACI here. (https://careers.caci.com/global/en/life-at-caci)

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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. Learn more here (https://careers.caci.com/global/en/employee-benefits) .

The proposed salary range for this position is:

$98,500 - 206,800 USD

CACI is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, age, national origin, disability, status as a protected veteran, or any other protected characteristic.