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Senior Software Engineer - CNO Tool Development Security Clearance

Job in Fort Meade, Anne Arundel County, Maryland, USA
Listing for: CACI
Full Time position
Listed on 2026-02-13
Job specializations:
  • Software Development
    Software Engineer, DevOps, Python, Senior Developer
Job Description & How to Apply Below
Position: Senior Software Engineer - CNO Tool Development with Security Clearance
Job Title:

Senior Software Engineer - CNO Tool Development Job Category:
Information Technology Time Type:
Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type:
Regular Percentage of

Travel Required:

None Type of Travel:
None *
* * The Opportunity Join our dynamic team as a Senior Software Engineer and play a pivotal role in developing cutting-edge solutions for network-based devices. This is your chance to make a significant impact by designing, developing, and integrating innovative software systems that deliver mission-critical results. If you thrive in a collaborative environment and are passionate about pushing the boundaries of technology, we want you on our team!

Responsibilities
* Spearhead the design, development, and integration of complex software systems.

* Conduct thorough analysis and documentation of system requirements.

* Perform rigorous software system testing and oversee the testing of toolsets for release.

* Work closely with various teams to ensure seamless integration of software components.

* Guide and mentor junior engineers, sharing best practices and technical expertise.

* Stay updated with emerging technologies and industry trends to drive innovation within the team.

* Enhance and expand existing toolsets to meet evolving needs.

* Build prototypes to validate understanding of mission requirements.

* Create deployable toolsets that operate effectively within mission constraints. Qualifications Required
* Active TS/SCI w/ Polygraph

* Bachelor's or Master's degree in Computer Science/Engineering.
* 12+ years with a Bachelor's or 10+ years with a Master's.

* 4+ years additional SWE experience may substitute for a Bachelor's degree.

* Expertise in 3+ of the following areas:
* System Requirements Analysis, Software System Design, Development, Integration, Testing.

* 10+ years of experience in 4+ of the following areas:
* C/C++/Java development, Unix/Linux/Windows environments, DLLs for Windows, computer telephony platforms, object-oriented design, common protocols (TCP/IP, SNMP), web development (XML, PHP), scripting (Perl, Python), databases (Sybase, Oracle), reverse engineering, Unix kernel, bit-level data analysis.

* Familiarity with Unix-based systems.

* Experience with reverse engineering Linux-based network devices.

* In-depth understanding of network protocols (e.g., TCP/IP) and network traffic analysis (e.g., Wireshark).

* Proficiency in producing and modifying software systems in C/C++/Python/Assembly.

* Support for fielded software systems.

* Familiarity with Git and Subversion.

* Experience with Atlassian Tools (Jira, Confluence).

* Experience with production CNO capabilities and operations. Desired
* Reverse engineering Windows or embedded platforms (RTOS).

* Java, JavaScript, Bash, Power Shell, Perl, C#, Rust.

* Developing CNO-specific software in Linux/Windows/Embedded applications.

* Vulnerability Research and Exploit development.

* Knowledge of end-to-end SIGINT collection and analysis systems.

* Strong problem-solving skills and attention to detail.

* Excellent communication and collaboration abilities.

* Proven track record of delivering high-quality software solutions on time and within budget.

- _________________________________________________________________________ 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.…
Position Requirements
10+ Years work experience
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