Senior Staff / Senior Full Stack Engineer (Clearance Required)
- Salary
- $127,000 - $193,000
- Level
- Staff
- Visa
- Not offered
Not stated in the posting: work type.
Open. First seen 27 October 2026.
About the role
SciTec, a Firefly Aerospace company, 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.
NOTE: This role is contingent upon contract award.
We are seeking a Senior Staff / Senior Full Stack Software Engineer with a passion to design, develop, and deliver high-quality software systems. 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 contributor with deep Python, TypeScript / JavaScript, and DevOps expertise utilizing sound software engineering judgment, and the ability to collaborate across disciplines while influencing technical direction through example and mentorship.
Responsibilities
- Work both independently and collaboratively with development teams to deliver complex features end to end
- Design, implement, and maintain high-quality software aligned with program objectives
- Promote strong engineering practices, including testing, documentation, and maintainability
- 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
- Participate in and guide Agile development activities, including code reviews, design discussions, and sprint planning
- Mentor junior and mid-level engineers through technical collaboration and code reviews
Requirements
- Active Top Secret security clearance
- Bachelor’s degree in Computer Science, Engineering, Mathematics, Physical Sciences, or a related technical field
- 5+ years of professional software engineering experience
- Expert in Python with previous experience using Pandas and NumPy
- Proficient in TypeScript with previous experience using React and Plotly
- Solid understanding of software engineering fundamentals, including design patterns, modularity, and maintainability
- Expertise with Object-Oriented Programming, including modern language features and best practices
- Experience writing and maintaining automated tests
- Strong attention to detail and commitment to high-quality, well-tested code
- Excellent verbal and written communication skills
- Demonstrated ability to collaborate effectively across technical disciplines
SciTec's standard text
Candidates who have any of the following skills will be preferred:
- Active TS/SCI security clearance
- Master of Science in Computer Science, Software Engineering, or related engineering discipline
- Experience working with remotely sensed data or scientific data processing workflows
- Understanding of containerization (e.g., Docker, Podman), orchestration (e.g., Kubernetes, Helm), and deployment (e.g., ArgoCD, GitLab CI/CD)
- Experience working in Agile software development environments and using task scheduling and tracking software (e.g., JIRA)
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 $127,000 -$193,000 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's standard text
SciTec is proud to be an Equal Opportunity employer. Vet/Disabled.
#nd123
What this role asks for
Particular to this role
Argo CD · Helm · Jira · Microservices · NumPy · Pandas · Plotly
Rare in SciTec's other 48 open postings.
Standard for full stack roles
CI/CD · JavaScript · React · TypeScript
Common in full stack postings at any company.
In most of SciTec's ads
Python
Named in most of its open postings, whatever the role.
96% of this description is written for the role. The rest is SciTec's standard text, folded away below.
Compared with SciTec's other open jobs.
The team: Defense, Intelligence, & Space Solutions HIRES STEADILY
This role is one of 42 open in Defense, Intelligence, & Space Solutions. 23 were posted in the last 30 days and the oldest in April: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Python (29 of 42), Kubernetes (23 of 42), Agile (21 of 42), Linux (21 of 42), CI/CD (19 of 42), C++ (17 of 42), Docker (16 of 42)
OTHER ROLES ON THIS TEAM
- Senior Staff / Senior Algorithm Engineer (Clearance Required) posted Oct 26
- Senior Staff / Senior DevSecOps Engineer (Clearance Required) posted Oct 26
- Staff / Sr Staff C++ Software Engineer posted Oct 23
- Senior Staff / Senior Cybersecurity Engineer (Clearance Required) posted Oct 22
- Senior Staff / Senior Systems Integration Engineer posted Oct 21
- Associate / Staff Software Release Engineer posted Oct 20
- Application Security Engineer posted Oct 20
- Staff / Senior Staff Test Automation Engineer (Clearance Required) posted Oct 20
- PKI and Certificate Lifecycle Engineer posted Oct 19
- Technical Program Manager (Radar) posted Oct 19
- Project Control Analyst posted Oct 16
- Principal Software Engineer - Deployment Environments Lead posted Oct 9
- Principal Software Engineer - Data Storage Lead posted Oct 9
- Principal Software Engineer - Data Storage Lead posted Oct 9
- Principal Software Engineer - Workload Communications Domain Lead posted Oct 9
- Principal Software Engineer - Deployment Environments Lead posted Oct 9
- Principal Software Engineer - Workload Communications Domain Lead posted Oct 9
- Aerospace Systems Engineer posted Oct 6
- System Security Architect (Clearance Required) posted Oct 5
- Platform Software Engineer posted Oct 2
- Senior Staff / Senior Numerical Algorithm Software Engineer posted Sep 30
- Associate / Staff Mission Data Analyst (Clearance Required) posted Sep 29
- Senior Aerospace Systems Engineer posted Sep 25
- Staff / Sr Staff Test Automation Engineer posted Sep 25
- Staff / Senior Staff Systems Engineer posted Sep 21
- Associate / Staff Digital Systems Engineer posted Sep 21
- Systems Engineering Lead posted Sep 21
- Sr Staff Software Engineer posted Sep 11
- Staff / Sr Staff Python Software Engineer posted Aug 27
- Staff / Senior Staff Test Automation Engineer (Clearance Required) posted Aug 24
- Sr Staff / Senior Software Engineer posted Aug 21
- Systems Engineer - Compute and Software Systems posted Aug 12
- Hardware Integration Engineer posted Aug 4
- Principal Radar Systems Engineer posted Aug 4
- Principal Linux System Administrator (Clearance Required) posted Aug 3
- Senior Numerical Algorithm Software Engineer posted Jul 29
- Lead Application Security Engineer posted Jul 20
- Senior Staff / Senior Machine Learning Engineer posted Jun 25
- Staff / Sr Staff Application Security Engineer posted Jun 1
- Staff / Sr Staff Numerical Algorithm Software Engineer posted May 15
- Staff / Sr Staff C++ Software Engineer posted Apr 16
From the team and dates on SciTec's own job board.
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