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TOMORROW HIRE

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

Herndon
Salary
$210,000 - $250,000
Level
Mid

Not stated in the posting: work type, visa.

Open. First seen 20 October 2026.

About the role

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.

What this role asks for

Standard for software engineering roles

Python

Common in software engineering postings at any company.

Compared with TOMORROW HIRE's other open jobs.

The team: Information Technology HIRES STEADILY

This role is one of 27 open in Information Technology. 18 were posted in the last 30 days and the oldest in August: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

JavaScript (11 of 27), AWS (10 of 27), Agile (9 of 27), Python (9 of 27), SQL (9 of 27), .NET (8 of 27), TypeScript (8 of 27)

OTHER ROLES ON THIS TEAM

From the team and dates on TOMORROW HIRE's own job board.

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