S2i2 Inc

Designs, codes, tests, debugs, and documents complex software and operating system solutions for mission-critical systems. | Requires 5+ years of experience in networking, network management tools, virtualization, Linux/Unix, and security clearance. | Job Title: Software Systems Engineer Location: Remote Clearance Required: Secret or Top-Secret Salary Range: $120K-$130K Application Deadline: February 20, 2026 To apply, please follow these steps: Visit https://s2i2.com/careers/ Select the position you are interested in. Review the job details, then click Apply Now. Complete and submit your application. Description: S2i2 is seeking a Software Systems Engineer to support mission-critical systems supporting large-scale networks, advanced operating environments, and high-impact government programs. The position involves hands-on design, development, and optimization of sophisticated software and operating system solutions using cutting-edge tools across networking, cloud, virtualization, and Linux/Unix platforms. This opportunity is ideal for experienced engineers. The role combines technical depth while working in secure, high-visibility environments. Key Responsibilities: -Formulates/defines specifications for complex operating software programming applications or modifies/maintains complex existing applications using engineering releases and utilities from the manufacturer. -Designs, codes, tests, debugs, and documents those programs. -Provides overall operating system maintenance, such as sophisticated file maintenance routines, large telecommunications networks, computer accounting, and advanced mathematical/scientific software packages. -Assists in all phases of software systems programming applications. -Evaluates new and existing software products. Required Skills /Education/ Certifications & Qualifications: - Experience: Five (5) years relevant experience -Must have extensive knowledge in networking/network management, network management tools, virtualization, Linux/Unix, and/or application performance monitoring. -Security Clearance required: Secret, or TS/Top-Secret Certification: 8570/8140: DoD Approved 8570 Baseline Certification: Category IAT Level II Certification: Must possess one of the following): LoadRunner (C&A, VuGen, Vuser) Netscout (NGOne-EE, NGONEAdmin, nGONE-TCP) RHCE RHSA AWS MC:Azure Cisco (CCNA, CCNP, CIE), OpenText. About S2i2 S2i2 is a growing company with a supportive and inclusive culture and many opportunities for professional development and growth. We have created a supportive, family-like work environment where contributions are recognized. Regular company updates and open lines of communication with leadership fosters collaboration within the company. We are proud to include: Support to achieve professional certifications and degrees Leadership that is accessible to all employees Regular company updates Client networking social engagements Monthly team-building activities (past examples: Top Golf) Supporting our community - including veterans All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information.