Sr. Staff Software Engineer
$111k - $136kScitec
Job Description
Job Description
SciTec, a wholly owned subsidiary of Firefly Aerospace, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.S. National Security and Defense. For the past forty-five plus years, we have supported Department of Defense customers by developing innovative remote sensing algorithms, tools, and techniques to deliver world-class data exploitation capabilities supporting missile defense; intelligence, surveillance, & reconnaissance; space domain awareness; and aircraft survivability missions.
Important Notice: SciTec exclusively works on U.S. government contracts that require U.S. citizenship for all employees. SciTec cannot sponsor or assume sponsorship of employee work visas of any type. Further, U.S. citizenship is a requirement to obtain and keep a security clearance. Applicants that do not meet these requirements will not be considered.
We are seeking a Senior Staff Software Engineer to design, develop, and sustain high-quality software systems supporting advanced analysis and data processing workflows. This role focuses on distributed systems, microservices, and real-time data pipelines, working closely with scientific and technical users in a mission-focused environment.
The ideal candidate is a strong individual contributor with deep C++, C#, Java, JavaScript, or Python expertise , sound software engineering judgment, and the ability to collaborate across disciplines while influencing technical direction through example and mentorship.
Key Responsibilities
- Design, implement, and maintain high-quality software aligned with program and project objectives
- Work both independently and collaboratively with development teams to deliver complex features end to end
- Collaborate directly with advanced technical and scientific users to translate analysis needs into robust software solutions
- Ensure reliability, scalability, and performance of messaging systems and data pipelines
- Contribute to containerized, distributed microservice architectures, including development, deployment, and testing
- Design, implement, and maintain real-time or near-real-time data processing and streaming workflows
- Ensure reliability, scalability, and performance of messaging systems and data pipelines
- Identify technical risks and propose risk-reduction strategies to support program success
- Participate in and guide Agile development activities, including code reviews, design discussions, and sprint planning
- Promote strong engineering practices, including testing, documentation, and maintainability
- Mentor junior and mid-level engineers through technical collaboration and code reviews
- Champion comprehensive testing strategies, including unit, integration, and system testing
- Contribute to documentation, knowledge sharing, and clear technical communication
- Perform other duties as assigned
Requirements
The following minimum qualifications are required for the position:
- Bachelor’s degree in Computer Science, Engineering, Mathematics, Physical Sciences, or a related technical field
- 5+ years of professional software engineering experience
- Strong proficiency in Object-Oriented Programming, including modern language features and best practices
- Hands-on experience with microservice architectures and distributed systems
- Understanding of containerization (e.g., Docker, Podman) and orchestration (e.g., Kubernetes)
- Solid understanding of software engineering fundamentals, including design patterns, modularity, and maintainability
- Experience writing and maintaining automated tests
- Demonstrated ability to collaborate effectively across technical disciplines
- Strong attention to detail and commitment to high-quality, well-tested code
- Excellent verbal and written communication skills
- Professional experience working in Linux environments
- Experience using version control systems such as Git
- Ability to obtain and maintain a DoD security clearance
Candidates who have any of the following skills will be preferred:
- Advanced degree (e.g., Masters) in Computer Science, Engineering, or Mathematics
- Experience working with remotely sensed data or scientific data processing workflows
- Active DoD Top Secret security clearance
- Experience with implementing Zero-Trust utilizing OAuth2, SAML, Keycloak, OPA, or similar
- Familiarity with messaging and communication technologies, such as: Protocol Buffers, ZeroMQ, Kafka, gRPC, and REST
- Professional experience with DevOps and CI/CD tooling, including: Docker, Jenkins, GitLab CI/CD
- Experience working in Agile software development environments and using task scheduling and tracking software (e.g., JIRA)
*Resumes, Cover Letters, and Applications which are generated by AI will not be considered for employment.
Benefits
SciTec offers a highly competitive salary and benefits package, including:
- 4% Safe Harbor 401(k) match
- 100% company paid HSA Medical insurance, with a choice of 2 buy-up options
- 80% company paid Dental insurance
- 100% company paid Vision insurance
- 100% company paid Life insurance
- 100% company paid Long-term Disability insurance
- Short-term Disability insurance
- Annual Profit-Sharing Plan
- Discretionary Performance Bonus
- Paid Parental Leave
- Generous Paid Time Off, including Holiday, Vacation, and Sick Pay
- Flexible Work Hours
The pay range for this position is $111,000-$136,000. SciTec considers several factors when extending an offer of employment, including but not limited to the role and associated responsibilities, a candidate's work experience, education/training, and key skills. This is not a guarantee of compensation.
SciTec is proud to be an Equal Opportunity employer. Vet/Disabled.
$85k - $125k
...SciTec has immediate opportunities for experienced Staff and Senior Staff DevSecOps engineers. Responsibilities Manage integration, security scanning... ...with development tools for artifact management, software test, software quality assessment, etc. Implement Continuous...SeniorTemporary workFor contractorsWork experience placementImmediate startRemote workFlexible hours$111k - $152k
...requirements will not be considered. We are seeking a Senior Staff / Senior DevSecOps Engineer to design, develop, and sustain high-quality CI/CD... ..., and improve CI pipelines (GitLab CI) for secure software builds and deployments Orchestrate automated deployments...SeniorTemporary workFor contractorsWork experience placementRemote workFlexible hours$142k - $153k
...drive the future of national security by engineering scalable solutions that fuse... ...Engineering Architect and develop advanced software systems that support cutting-edge AI research... ...* Mentor junior engineers and research staff on software architecture, engineering practices...SeniorFull timeLocal areaFlexible hours- ...Sr. Software Developer Job Locations US-OH-Beavercreek | US-OH-Dayton ID 2026-7908 Category Software... ...Company Overview Odyssey is a world-class technical, engineering, and integration company serving the warfighting ecosystem with...SeniorFull timeContract workLive outWork at officeLocal area
- ...Job Title SOFTWARE ENGINEER SR Location Dayton, OH US (Primary) Huntsville, AL US St. Louis, MO US Category Information Technology Job Type Full-Time Career Level Experienced (Non-Manager) Education Bachelor's Degree Security...SeniorFull timeContract workLocal areaRemote work
$142k - $153k
...industry. Our mission is to drive the future of national security by engineering scalable solutions that fuse technological innovation with... ...and implementation of system architectures for AI-enabled software systems, including APIs, services, data pipelines, and deployment...SeniorFull timeLocal area$78.41k - $167.6k
...our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners....SeniorFull timeWork experience placementLocal areaWorldwide- ...provides the core of SPA thought leadership on Undersea Strategy, Software Development and Cost Estimating, with additional benchmark... ...provides expert guidance to DevOps teams, and ensures solutions are engineered for high availability, resilience, and disaster recovery....SeniorWork at office
- ...light and heat. With over 500 employees in the U.S., Attalon engineers critical optical, laser, and coating technologies that enable... ...Collaborate with cross-disciplinary teams (mechanical, electrical, software, etc.) to deliver complete subsystems satisfying imposed and...SeniorFor subcontractor
- ...Senior Azure Cloud Engineer Lorton, VA - Onsite - Active TS/SCI Required Position Overview We are seeking a Senior Azure Cloud... ...image building and rotation. Support customers in installing software onto baseline desktops using an automation-first approach (DSC...SeniorContract workRelocation
- .... Mile 2 is looking to hire for multiple Site Reliability Engineer and Senior Site Reliability Engineer positions to join our team... ...Authority to Operate (ATO) requirements. Engage in the full Software Development Lifecycle (SDLC), including Merge Requests (MRs), code...SeniorRemote job
- ..., self-motivated employees that strive to find a way to get things done. Join our team of experts as we engineer national security! Altamira is seeking a Software Engineer to help our National Air & Space Intelligence Center (NASIC) customer engineer advanced data management...
- ...Description Software Engineer Altamira Technologies has a long and successful history of providing innovative solutions throughout the U.S. National Security community. Headquartered in McLean, Virginia, Altamira serves the defense, intelligence, and homeland security...Worldwide
- ...Sr. Security Manager Job Locations US-OH-Fairborn Job ID 2026-8718 Overview Abacus Technology is seeking a Sr. Security Manager to support personnel, property, facilities, operations, and material security for Wright-Patterson AFB. This...SeniorFull time
$111k - $152k
...security clearance. Applicants that do not meet these requirements will not be considered. We are seeking a Senior Staff / Senior Cloud Engineer to design, build, and optimize mission‑critical cloud infrastructure services. This role centers on Infrastructure as...SeniorTemporary workFor contractorsWork experience placementRemote workFlexible hours- ...Sr. Communication/Navigation Engineer Job Locations US-OH-Fairborn Job ID 2026-8724 Overview Abacus Technology is seeking... .... Able to communicate with management, technical staff, and end users in a clear and professional manner. Experience...SeniorFull timeWork at office
- ...Sr. Systems Integration Engineer Job Locations US-OH-Fairborn Job ID 2026-8725... ...across a wide range of hardware and software systems, including ground-based systems... ...communicate with management, technical staff, and end users in a clear and professional...SeniorFull time
- ...Center (NSIC) at Wright-Patterson AFB, OH. This position focuses on advanced image processing, algorithm development, scientific software engineering, and electro-optical (EO) data exploitation in support of critical national security and space intelligence missions. The...SeniorTemporary workRemote workFlexible hours
$125k - $132k
...industry. Our mission is to drive the future of national security by engineering scalable solutions that fuse technological innovation with... ...will design, develop, deploy, and sustain advanced AI-enabled software systems that solve complex, mission-critical problems. You...Local area$85k - $100k
...Job Type Full-time Description Job Description: Software Engineer Position Overview The Software Engineer will provide critical engineering support in the design, development, testing, evaluation, and sustainment of software systems for Air Force...SeniorFull time- ...TENICA is looking to hire a senior software engineer. Job Location: Dayton, OH Must have TS/SCI and CI poly Assist with time dominant tool transition, OPIR and Proliferated constellation based specialty project. Domain expertise is vital. Knowledge of strategic...Senior
- ...environment combine to make Radiance Technologies a great place to work and succeed. We are searching for a motivated Senior Software Engineer to join our exploitation and analysis group to start a career in Reverse Engineering. The ideal candidate will grow his/her...SeniorWork experience placement
$75k - $160k
...planning, certification and accreditation, software design, programming, maintenance of... ...error handling patterns Implement IXM engine tasks for computationally intensive parallel... ...to work with and grow junior development staff with best practices and experience sharing...SeniorContract work- ...Principal Software Engineer Information Technology -- Software Development/Engineering WPAFB, OH • Full-Time/Regular We are seeking... ...documentation Provide technical leadership and mentorship to staff members and project teams Support organizational growth by...Full timeImmediate startFlexible hours
- ...Overview SENIOR SOFTWARE ENGINEER LOCATION: Wright-Patterson AFB, OH JOB STATUS: Full-time CLEARANCE: Secret TRAVEL: Up... ...leadership and oversight to junior and journeyman-level engineering staff within the software discipline Lead and contribute to full...SeniorFull timeWork at office
- ...Cloud Infrastructure Engineer Altamira Technologies Corporation has a long and successful history providing innovative solutions throughout the U.S. National Security community. Headquartered in McLean, Virginia, Altamira serves the defense, intelligence and homeland...
- ...Software Engineer NextGen Federal Systems, LLC is seeking a Software Engineer with experience in Systems Tool Kit (STK) to support the development and integration of mission analysis and modeling applications. These applications enable multi-domain analysis—including...SeniorWork experience placement
- ...My client is looking to expand their team with a talented and licensed Professional Engineer. Encore Precast is a family-owned and operated business founded more than 20 years ago. They don’t just manufacture precast and prestressed concrete products—they shape the future...Senior
$150k - $200k
...Senior Software Engineer This position is located onsite in our office in Beavercreek, Ohio. There is no relocation assistance available for this position. Why Join Us? Innovative Projects: KBR's work is at the forefront of engineering, logistics, operations...SeniorWork at officeLocal areaRelocation- ...Job Description Job Description As the UX Software Engineer Technical Expert/Unit Lead, you will lead strategic activities to help define future product competitiveness and key fundamental technology application feasibility. You will lead the end-to-end planning, design...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Sr. Staff Software Engineer. Be the first to apply!
- senior performance engineer Fairborn, OH
- senior performance tester Fairborn, OH
- senior application administrator Fairborn, OH
- senior tech Fairborn, OH
- senior Fairborn, OH
- senior application security Fairborn, OH
- senior implementation engineer Fairborn, OH
- senior c# .net software developer Fairborn, OH
- id software Fairborn, OH
- remote software sales Fairborn, OH


