Full-Time

Application Security Engineer Lead

Updated on 8/1/2026

SciTec

SciTec

201-500 employees

Defense technology firm delivering mission systems

Compensation Overview

$155k - $185k/yr

+ 4% 401(k) match + Annual profit-sharing plan + Discretionary performance bonus

No H1B Sponsorship

Boulder, CO, USA

In Person

US Citizenship, US Top Secret Clearance Required

Category
Software Engineering (1)
Required Skills
Rust
Agile
Python
JavaScript
Reverse Engineering
SonarQube
Threat modeling
Cybersecurity
C/C++
DevOps

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Requirements
  • Perform application security analysis using automated and manual techniques, including static code analysis, software composition analysis, fuzzing, and manual code and design reviews.
  • Identify, analyze, and help remediate application vulnerabilities.
  • Support software engineers in integrating security considerations into system and application designs.
  • Integrate and maintain application security tooling within continuous integration/continuous delivery and DevSecOps pipelines.
  • Design, implement, and improve continuous integration security analysis tooling.
  • Tune and maintain security tools to reduce false positives and improve signal quality.
  • Assist development teams in understanding findings and implementing effective fixes.
  • Support threat modeling and secure design reviews.
  • Stay current with emerging vulnerabilities, attack techniques, and mitigation strategies.
  • Document findings, recommendations, and best practices.
  • Bachelor’s degree plus 8+ years of professional experience in cybersecurity or software development, or equivalent experience.
  • At least 2 years of experience focused on application or software security.
  • Experience analyzing source code for security flaws.
  • Familiarity with secure software development practices.
  • Ability to qualify for and maintain a Department of Defense Secret security clearance.
  • Ability to meet Department of Defense 8140.01 Cyberspace Workforce Management requirements within six months of hire.
  • Ability to effectively collaborate with government customer team members and other engineers.
Responsibilities
  • Lead an application security team in support of multiple programs.
  • Perform other duties as assigned.
Desired Qualifications
  • Active Department of Defense Secret clearance or higher.
  • Experience identifying, exploiting, and remediating application vulnerabilities, with credit for published Common Vulnerabilities and Exposures as a strong plus.
  • Proficiency in one or more programming languages such as C++, Python, JavaScript, or Rust.
  • Experience configuring and operating static analysis tools such as Coverity, Klocwork, or SonarQube.
  • Experience configuring and operating software composition analysis tools such as Snyk, Sonatype, Anchore, or JFrog Xray.
  • Experience with fuzzing frameworks such as AFL, AFL++, honggfuzz, or similar tools.
  • Experience with debugging, runtime instrumentation, or reverse engineering, including tools such as strace, eBPF, Ghidra, or IDA Pro.
  • Familiarity with threat modeling methodologies and frameworks such as MITRE ATT&CK.
  • Experience working in DevSecOps or Agile development environments.

SciTec develops and delivers defense-oriented technologies, focusing on advanced mission systems, remote sensing, and data processing for aerospace and national security. It provides engineering services, software solutions, and integrated systems that help government agencies, defense contractors, and aerospace organizations improve situational awareness and mission effectiveness. The company’s products and services are implemented through a mix of tailored software, engineering support, and fully integrated hardware-software systems deployed across multiple U.S. offices. SciTec differentiates itself through its long track record (since 1979) of high-reliability performance in complex technical environments and its deep experience supporting government and commercial aerospace programs. The goal is to enhance national security and operational efficiency by delivering dependable, mission-critical capabilities that enable better decision-making in demanding settings.

Company Size

201-500

Company Stage

Acquired

Total Funding

$855M

Headquarters

Princeton, New Jersey

Founded

1979

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Simplify Jobs

Simplify's Take

What believers are saying

  • Space Force and AFRL awards validate demand for SciTec capabilities.
  • Firefly ownership expands access to space-defense integration opportunities.
  • Golden Dome programs favor integrated sensing, tracking, and command software.

What critics are saying

  • Firefly integration can compress SciTec autonomy and capital allocation.
  • FORGE execution failures damage credibility on future missile-warning recompetes.
  • Defense budget shifts away from ground systems shrink SciTec's core pipeline.

What makes SciTec unique

  • Mission software plus sensor engineering across missile warning and ISR.
  • Operational FORGE deliveries prove deployment beyond prototypes.
  • Cloud, edge, and on-board processing spans contested defense environments.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Health Savings Account/Flexible Spending Account

Unlimited Paid Time Off

Flexible Work Hours

Paid Vacation

Paid Sick Leave

Paid Holidays

Hybrid Work Options

Stock Options

Company Equity

401(k) Retirement Plan

401(k) Company Match

Performance Bonus

Profit Sharing

Employee Stock Purchase Plan

Relocation Assistance

Employee Referral Bonus

Student Loan Assistance

Parental Leave

Family Planning Benefits

Fertility Treatment Support

Adoption Assistance

Childcare Support

Elder Care Support

Pet Insurance

Bereavement Leave

Professional Development Budget

Conference Attendance Budget

Training Programs

Tuition Reimbursement

Professional Certification Support

Mentorship Program

Wellness Program

Mental Health Support

Gym Membership

Commuter Benefits

Meal Benefits

Phone/Internet Stipend

Home Office Stipend

Legal Services

Employee Discounts

Company Social Events

Growth & Insights and Company News

Headcount

6 month growth

1%

1 year growth

2%

2 year growth

2%
CNBC
Oct 6th, 2025
Firefly Aerospace surges 12% after buying defense tech firm for $855 million

Firefly Aerospace is buying defense technology contractor SciTec for $855 million to beef up its national security offering.

Benzinga
Oct 6th, 2025
Firefly Expands Into AI-Powered Defense Systems With SciTec Purchase

Firefly Aerospace (NASDAQ:FLY) announced Sunday that it will acquire SciTec, Inc. in a deal valued at about $855 million, combining $300 million in cash and $555 million in newly issued Firefly shares priced at $50 each.

Stock Titan
Oct 5th, 2025
Firefly Acquires SciTec for Security Boost

Firefly Aerospace has announced the strategic acquisition of SciTec to enhance its national security capabilities.

Yahoo Finance
Sep 4th, 2025
SciTec, Inc. Appoints David Simenc as President

PRINCETON, N.J., Sept. 4, 2025 /PRNewswire/ - SciTec, a leader in the development of National Security solutions in missile warning, missile defense, and other warfighter-enabling capabilities, today announced the promotion of David Simenc to President.

Tidewater News
Sep 4th, 2025
SciTec, Inc. Appoints David Simenc as President

SciTec, inc. appoints David Simenc as President.