# Software Development Engineer - Active TS/SCI with Full Scope Polygraph (FSP)

- **Company:** TOMORROW HIRE
- **Location:** Herndon, VA, US (Not specified)
- **Salary:** Salary not disclosed
- **Contract:** Full-time
- **Posted:** 2026-10-20

## Job description

Software Development Engineer - Active TS/SCI with FSP
Location : Herndon, VA
Clearance Required : TS/SCI with Full Scope Polygraph (FSP)
Position Type : Full-Time, On-Site
Salary Range : $210,000 – $250,000
Description
We are seeking a Software Development Engineer to support mission-focused work. Designs and builds resilient, high-throughput, event-driven software architectures and data processing frameworks to ensure system observability and real-time event tracking. The position requires an active TS/SCI with Full Scope Polygraph (FSP).
Primary Responsibilities
Build modular, fault-tolerant backend services and event-driven data pipelines.
Implement real-time monitoring, logging, and automated alerting for system health and data flow events.
Ensure strict access controls, concurrency, and scalable record-keeping across complex software platforms.
Integrate asynchronous systems and message brokers to enable seamless data interchange.
Requirements
Minimum Qualifications
Python (asynchronous & concurrent coding)
Kafka (distributed messaging)
Distributed Systems
Event-Driven Design
Asynchronous Coding & Concurrency
JSON
Fault Tolerance
Observability, Grafana, ELK Stack
Active TS/SCI with Full Scope Polygraph (FSP) required.
Must work on-site in Herndon, VA.
Preferred Qualifications
Access control in event-driven architectures
Modular system design for data pipelines
Alerting & record-keeping solutions
Expanding architectures to support multiple data domains & formats
Benefits
Salary
Salary for this position is determined based on factors such as location, qualifications, experience, and contract-specific budget considerations.
Proposed Salary Range: $210,000 – $250,000
Benefits
We offer a comprehensive and competitive benefits package, including:
100% Company-Paid Health Insurance : Full coverage for medical, dental, and vision insurance for employees and their dependents (United Healthcare and Guardian).
Protection Plans: Employer-paid life, short-term disability, and long-term disability insurance.
401(k) Retirement Contribution: 15% of base salary contributed by the company, fully vested from day one.
Paid Time Off: 200 hours of PTO annually (accrued), in addition to 11 federal holidays.
Bonuses : Recruitment and business development bonus opportunities based on performance and company growth.

[Apply on the company site](https://www.joonow.com/en/job/software-development-engineer-active-ts-sci-with-full-scope-polygraph-fsp-herndon-va-r5f11eny4s/apply)