> Markdown version of [/jobs/ext/4353407-senior-systems-engineer](https://www.wearedevelopers.com/jobs/ext/4353407-senior-systems-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Engineer - **Company:** Science Applications International Corporation - **Location:** Huntsville, AL, United States - **Experience:** Expert - **Salary:** $120,001 - $160,000 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Apple IOS, Systems Engineering, JIRA, CompTIA Security+, Microsoft Office, Microsoft Project, Microsoft Visio, Software Requirements Analysis, Information Technology - **Published:** October 15, 2026 - **Apply:** https://dejobs.org/x/x/E542274521114D888D43D6A6739BE36A/job/ ## About the Role * Bachelor's degree in engineering, Computer Science, Information Technology, or related STEM field, plus nine (9) years of relevant, hands-on experience; Additional six (6) years' relevant experience can be considered in lieu of degree (per contract vehicle)., * Strong Microsoft Office, MS Project and MS Visio skills. * Self-starter; able to function independently and in a team environment where priorities and assignments can quickly shift. * Ability to function effectively in a dynamic environment with aggressive schedules. * CompTIA Security+ Certification. Preferred Qualifications * Familiarity with the NSITE Software. * Working knowledge of Agile Software Development processes and familiarity with JIRA Software. ## Description * Collaborate with leads to drive software decisions for upcoming test events and deliver technical recommendations. * Engage with external customers to align NSITE software status and gather system requirements. * Maintain expert knowledge of the MDA Operational Baseline and support RWOPS operations as needed. * Deliver strategic inputs to upper management regarding Model-Based Systems Engineering (MBSE) solutions. * Conduct team training sessions on MDA-based system functionality and enterprise-level updates. * Partner with external stakeholders to ensure all technical issues are tracked, managed, and resolved. * Execute special projects as directed by the IOS Manager and IOS Area Leads.