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CACI International Software Engineer in Denver, Colorado

Software Engineer

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

CACI is seeking Software Engineers: hone your skills while supporting mission essential systems. Build upon your current skill set while you get to work with a talented team that will help you learn and succeed. As an software engineer, you will be playing a critical role in the design, implementation, and delivery of software in challenging and complex problem spaces. You will be working in small teams, delivering solutions that make global impact. You will influence the technology decisions that will drive future products and features that directly affect our growth in this critical space.

Key Responsibilities:

  • Write code…we don’t try and drag you down with meetings and process

  • Work with a bunch of other well-rounded, highly skilled software engineers in a rewarding and enjoyable atmosphere

  • Support an agile methodology in a quick feedback environment with frequent deliveries

  • Learn new skills, work with different technologies, and take on new opportunities

  • Tackle ambiguous problems

  • Provide system-wide view and design guidance, and drive engineering best practices and set standards for other engineers in the team

  • Work with program management and cross-functional teams to build and ship technical solutions for the best customer experiences

  • Break down complex software projects into parallel work that can be performed by you and other SDEs and then reassembled successfully into a cohesive launch

You’ll Bring These Qualifications:


Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering or related discipline


A minimum of 3 years of related experience or an equivalent combination of education, skills, and experience

Required Skills:

  • software development experience with C/C++.

  • Broad experience with the software engineering process from requirements reviews, code inspection to component delivery and sign-off

  • Ability to obtain TS/SCI clearance


  • Active TS/SCI clearance

  • Experience with Git, Jira, Confluence

  • Familiarity with wireless cellular protocol stacks (e.g., GSM, CDMA, UMTS, LTE, 5G)

  • Experience with standard wireless test equipment, including radio protocol testers, signal generators, and signal analyzers

  • Experience with IDA Pro, Ghidra, or similar binary analysis tool.

  • Knowledge of common binary executable formats (PE, ELF, etc.).

  • Experience with analyzing user-mode binaries and kernel-mode drivers.

  • Experience with Wireshark and network protocols.

A “Secret” clearance is required to begin employment and as a requirement of continued employment in this position you will be required to obtain a "TS/SCI" clearance.

What We Can Offer You:

  • We’ve been named a Best Place to Work by the Washington Post.

  • Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.

  • We offer competitive benefits and learning and development opportunities.

  • We are mission-oriented and ever vigilant in aligning our solutions with the nation’s highest priorities.

  • For over 55 years, the principles of CACI’s unique, character-based culture have been the driving force behind our success.

Company Overview: At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. CACI is an Equal Opportunity Employer – Females/Minorities/Protected Veterans/Individuals with Disabilities.

Pay Range: The proposed salary range for this position is $71,300-$146,200. There are a host of factors that can influence final salary including, but not limited to, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, geographic location, 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. Employment benefits include health and wellness programs, income protection, paid leave and retirement and savings.

As a federal contractor, CACI is subject to any federal vaccine mandates or other customer vaccination requirements. All new hires are required to report their vaccination status.