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

> TOMORROW HIRE · Herndon, United States · Full-time · Posted 2026-10-20

**Salary:** USD 210,000–250,000

**Workplace:** on_site

**Department:** Information Technology

## 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

[Apply at TOMORROW HIRE](https://apply.workable.com/tomorrow-hire/j/D83A190AD6/apply)

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