Software Engineer Security Clearance

Position: Software Engineer with Security Clearance
Location: Denver

Software Engineer Job Category:
Engineering Time Type:
Full time Minimum Clearance Required to Start: TS/SCI Employee Type:
Regular Percentage of

Travel Required:

Up to 10% Type of Travel:
Local Anticipated Posting End: 1/19/2026

The Opportunity:

You will demonstrate breadth and flexibility by contributing at various levels of software development including firmware, device drivers, real-time operating systems (RTOS) and application software. You will be part of a team that solves the most complex networking and communications challenges facing the U.S. Federal Government. You will help deliver groundbreaking research, and advanced networking and communications solutions that provide an information advantage that contributes to the mission and operational success of CACI customers.

Responsibilities:
* Design, develop, integrate, test, and maintain complex software solutions in telecommunications and IP/computer networking equipment in the cyber security domain

* Work with a product development team to develop concepts, identify creative solutions to user requests and assess feasibility of these solutions

* Consult on technical activities spanning multiple technical disciplines including security analysis, software/tool development, software test, lab environment, development environment and system infrastructure

* Act as the technical liaison to customers in representing key issues

* Operate effectively and comfortably in a team environment, as a team member and as a team leader. This includes the ability to work across organizational boundaries, as necessary

* Assist technical management in facilitating process changes needed to meet customer quality and schedule requirements

* Interact with product development teams, project managers and partners

* Prioritize work including meeting schedules, identifying risks and delivering high quality software

* Understand and adhere to all CACI Ethical and Compliance policies

* Proactively ensure a safe work environment and adhere to CACI EH&S policies and procedures

* Perform other duties as required Qualifications

Required:

* Bachelor's and/or Master's Degree in Computer Engineering, Computer Science, Electrical Engineering or related technical discipline

* Minimum of 5 years of experience or an equivalent combination of education, skills, and experience

* Familiar with development in either Windows, Linux and/or Unix-based operating systems

* Software development skills in languages such as: C, C++, Python or comparable languages

* Use of development tools (e.g. editors and compliers)

* Willingness and ability to quickly learn new technologies Desired:
* Familiarity with software security concepts such as intrusion detection, cryptography, authentication, firewalls, secure coding practices.

* Understanding of network hardware, systems and software application.

* Knowledge of Internet routing protocols, TCP/IP stack and tools

* Experience developing software for embedded systems

* Familiarity with multi-threaded applications and multi-processor systems

* Familiarity with low-level programming such as device-driver and OS programming

* Understanding of processor architectures (ARM, MIPS, x86, Power

PC) and associated assembly language programming

* Experience with reverse engineering of binary applications, protocols and formats

* Experience debugging system-level issues with various lab equipment.

* Strong oral and written communication skills

* Ability to work both independently and as a collaborative team member

* Flexibility to adapt to new and changing environments

* Knowledge of telephony

* Familiar with software engineering process concepts from requirements reviews, code inspection to component delivery and sign-off

* Knowledge of Microsoft software applications and other software applications as required A TS/SCI clearance is required to begin employment. For this position, CACI has the ability to provide clearance sponsorship for qualified individuals.

- ________________________________________________________________________________________ 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.…