Senior Specialist, Systems Engineering - Cross Domain Solution (CDS)
L3HARRIS Technologies
Greenville, TX · Posted October 16, 2026
Just laid off? Start here: a plan for the first weeks
See every open role at L3HARRIS Technologies
More in Texas job market · Aerospace & Defense · Engineering jobs
More roles at L3HARRIS Technologies
- Senior Manager, Program Management (PMX Leader & Chief of Staff) · Melbourne, FL
- Principal, Contracts · Salt Lake City, UT
- Senior Principal, Global Trade Compliance Counsel · Melbourne, FL
- Sr. Manager, Systems Engineering · San Diego, CA
- Principal, Supply Chain Program Management · Fort Wayne, IN
- Director, Aerospace Engineering · Waco, TX
Similar jobs
- Customer Support Engineer · Ericsson LM Telephone · Plano, TX
- Lead Technical Enablement Specialist, Field Capability & Readiness · Databricks · TX
- Technical Principal - Technology Operations · GM Financial · Arlington, TX
- VP IT Operations - Workplace Experience · GM Financial · Arlington, TX
- Senior Customer Engineer, Majors - TOLA · Cloudflare · Houston, TX
- Customer Support Engineer · Fastly · Austin, TX
Where Greenville, TX ranks
Where Greenville, TX placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for mid-career professionals in the Southwest71% · of 44
- #19Best cities for director and executive jobs in the Southwest17% · of 44
- #21Best cities for software and engineering jobs in the Southwest54 openings · of 33
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
Among computer network support specialists, AI is already used for some of the tasks. Measured exposure for computer network support specialists: 29% (some).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
Say which you have and which you want to build. We use it to match you to jobs like this one.
About the job
Job Title: Senior Specialist, Systems Engineering – Cross Domain Solutions (CDS)
Job Code: 39800
Job Location: Greenville, TX
Job Schedule: 9/80 - Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off.
Job Description:
Mid-Senior level Systems Engineer to perform data analysis in Cross Domain Solution (CDS) acquisition and sustainment. This position desires technical skills to write security documentation such as ConOps and Data Owner Guides. The ability to understand the layout of a multiple domain system. Knowledgeable about the type of data and format that goes across domains including operational environment impacts. The individual will be responsible for the generation and review of technical papers, calculations, and briefings. The individual will also be required to prepare and present technical briefs to internal management teams.
Essential Functions:
Supporting the writing of security documentation such as ConOps and Data Owner Guides.
Knowledgeable on type of data and format that transverse across multiple domains.
Supporting the performance, verification, and sustainment of fielded CDS systems and components.
Supporting the accreditation process of the CDS system.
Participating in formal engineering analysis and reviewing performance parameters at the total system and individual component levels.
Performing the design, development, and release of related data management, processing, and reporting software tools.
Handle and/or manage large amounts of classified material according to standard security protocols and processes.
Current DOD Top Secret (TS/SCI) Security Clearance, or a DOD Secret Clearance with the ability to obtain and maintain a DOD Top Secret (TS/SCI) Security Clearance is required.
Qualifications:
Bachelor’s degree in engineering discipline and minimum 6 years of prior relevant experience.
Graduate Degree and a minimum of 4 years of prior related experience.
In lieu of a degree, a minimum of 10 years of prior related engineering experience.
Demonstrated experience formal engineering analysis and reviewing performance parameters at the total system and individual component levels.
Demonstrated experience with design, development, and release of related data management, processing, and reporting software tools.
Preferred Additional Skills:
Experience with CDS systems such as Radiant Mercury, Everfox, Chord, etc.
Understanding of network devices and concepts.
Able to read, interpret, create, and maintain spreadsheets, charts, reports, investigation and test plans, and procedures.
Physical requirements: Some lifting in a Systems Integration Lab (SIL) environment.
Knowledge of systems engineering concepts, practices, and procedures.
Experience writing systems and software requirements using an application such as DOORS/JIRA.
Experience presenting design and project information at periodic reviews as well as recommending improvements to existing designs.
Familiarity with working with Unix/Linux commands in terminal consoles.
Experience with building test cases to assess software and system operation against requirements, writing defect reports, and assessing corrections.
Familiarity with networking technologies, to include Security+ certification.
Familiarity with RC135 Communications Systems.
DoD/Military experience.
#LI-AM2