Senior Specialist, Systems Engineer at L3Harris

The JD requires a Bachelor of Science in a STEM discipline; an engineering degree is preferred but Physics, Mathematics, and Computer Science are listed as acceptable alternatives. Because a degree is required (with a 10-year experience-in-lieu-of-degree path), the degree requirement is set to Bachelors.

Clearance is stated as 'ability to obtain and maintain a DoD security clearance' — the level is unspecified in the posting. Given the defense/classified-environment context, a Secret clearance is the most common baseline; TS/SCI is not explicitly required.

This role is classified under 15-1299 (Computer Occupations, All Other) as 'Systems Engineer' in a defense/mission-systems context sits between pure systems analysis (15-1211) and no single standard SOC code; 15-1211 is noted as a close alternative.

Skills listed under 'Preferred Additional Skills' — MBSE familiarity, multi-domain mission systems/secure architectures, and government/defense technical review experience — are marked as preferred.

The posting names no specific software tools, platforms, or frameworks as hard gates; the required skills are methodological (systems engineering lifecycle, requirements management, risk management, integration/verification).

Travel up to 25% and work in classified/controlled environments are noted as essential functions but are not technology skills and are not captured in the skills list.

Ignored 4 non-technology phrase(s) as skills (responsibilities/concepts, not named tools): systems engineering, requirements management, risk management, system integration and verification.

Requires a Secret clearance — the cleared population is a small fraction of this occupation, so the real candidate pool is materially smaller than the estimate below, which does not model clearance.