Software Engineer Senior Staff

About the role

OASYS, INC. is seeking a full-time Software Engineer to support the software engineering lifecycle following the program Software Development Plan (SDP) to include requirements analysis, object-oriented analysis & design, code & unit test, integration, and support to formal test/delivery.

Responsibilities

• Deliver safety-critical or mission-critical embedded software (e.g., aerospace, defense, automotive, industrial).
• Define high-level software structures, module boundaries, and interface contracts.
• Experience with architectural patterns for embedded systems (layered, component-based, event-driven, microkernel).
• Capture, manage, and trace requirements.
• Proficiency in modeling tools (UML/SysML, Enterprise Architect, IBM Rhapsody) for architecture documentation.

Requirements

• Demonstrated experience delivering safety-critical or mission-critical embedded software (e.g., aerospace, defense, automotive, industrial).
• Deep understanding of low-level hardware interfaces (UART, SPI, I²C, CAN, MIL-STD-1553, SpaceWire, etc.).
• Ability to define high-level software structures, module boundaries, and interface contracts.
• Experience with architectural patterns for embedded systems (layered, component-based, event-driven, microkernel).
• Proven ability to capture, manage, and trace requirements.
• Proficiency in modeling tools (UML/SysML, Enterprise Architect, IBM Rhapsody) for architecture documentation.

Qualifications

• Must be a US Citizen; this position will require Final Secret government security clearance prior to starting.
• The position is located at a facility that requires special access.

Desired Skills

• Experience on programs involving missiles, satellites, launch vehicles, or other high-reliability platforms.
• Formal training in software architecture or systems engineering (e.g., TOGAF, SEBoK).
• Experience establishing end-to-end traceability across hardware, firmware, and verification artifacts in large, multi-discipline programs.
• Knowledge of cybersecurity hardening for embedded platforms (secure boot, Trusted Execution Environments, FIPS-validated crypto).
• Exposure to MBSE (Model-Based Systems Engineering) and SysML integration.

Benefits

• BC/BS of Alabama Health & Dental
• VSP Vision
• Employee Stock Ownership Plan (ESOP)
• 401-K with Matching
• Flexible Spending Account
• Tuition Reimbursement
• Holidays
• Vacation
• Short-term/Long-term Disability

Pay

N/A

Schedule

9x80 every other Friday off

About OASYS, INC.

Located in Huntsville, Alabama, OASYS, INC. is a technology services and products company dedicated to delivering the right solutions to our government and commercial clients. Our innovative solutions combined with today's technology and our subject matter expertise help to provide full lifecycle support for our client's needs.

Other Important Information

You should know that by applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.

Ability to Work Remotely

Onsite Full-time

Equal Employment Opportunity is the Law

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