Staff / Sr Staff Application Security Engineer
$98k - $146kScitec
Job Description
Job Description
SciTec, a wholly owned subsidiary of Firefly Aerospace, 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. Applicants that do not meet this requirement will not be considered.
SciTec has an immediate opportunity for a talented engineer to support our programs delivering Next-Generation Missile Warning software. This is a unique opportunity to join a business delivering core capabilities for National defense. You will work within a fast-paced team delivering end-to-end software processing of Overhead Persistent InfraRed (OPIR) sensor data for Missile Warning, Missile Defense, Battlespace Awareness, and Technical Intelligence.
We are seeking an Application Security Engineer to help secure mission-critical software systems by identifying, analyzing, and mitigating application-level vulnerabilities. This role focuses on hands-on security analysis, tooling integration, and working directly with software engineers to embed security into the development lifecycle.
The ideal candidate combines strong technical security skills with the ability to collaborate effectively with developers in a DevSecOps environment.
Responsibilities- Perform application security analysis using both automated and manual techniques, including:
- Static code analysis (SAST)
- Software composition analysis (SCA)
- Fuzzing
- 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 CI/CD 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
- Perform other duties as assigned
Requirements
- Bachelor’s degree plus 2+ years of professional experience in cybersecurity or software development, or equivalent experience
- 2+ years of experience focused on application/software security
- Experience analyzing source code for security flaws
- Familiarity with secure software development practices
- Strong analytical, problem-solving, and communication skills
- Detail-oriented with strong written and verbal communication abilities
- Ability to qualify for and maintain a DoD or DoE Secret security clearance
- Ability to meet DoD 8140.01 Cyberspace Workforce Management requirements within six months of hire
- Good verbal and written communication skills
- Attention to detail
Candidates who have any of the following skills will be preferred:
- Active DoD Secret clearance or higher
- Experience identifying, exploiting, and remediating application vulnerabilities
- Credit for published CVEs is a strong plus
- Proficiency in one or more programming languages such as C++, Python, JavaScript, Rust
- Experience configuring and operating static analysis tools (e.g., Coverity, Klocwork, SonarQube)
- Experience configuring and operating software composition analysis tools (e.g., Snyk, Sonatype, Anchore, JFrog Xray)
- Experience with fuzzing frameworks (AFL, AFL++, honggfuzz, or similar)
- 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
*Resumes, Cover Letters, and Applications which are generated by AI will not be considered for employment.
Colorado Residents: In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.
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
- 100% company paid Hospital Indemnity insurance
- Voluntary Accident and Critical Illness 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 $98,000 - $146,000 / year. 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 is proud to be an Equal Opportunity employer. VET/Disabled.
$70k - $94k
Applications Engineer Apply Now Start applying with LinkedIn Please wait... Job Description Are you passionate about matching water technology solutions to real-world engineering challenges? Then join us in our mission to pioneer smarter solutions for moving and transforming...SuggestedFull timeContract workRemote workWork from homeWorldwideVisa sponsorshipWork visaFlexible hours$120k - $140k
...Colorado (HQ) Reports To: Director of Engineering Business Unit: Heavy Lifting Systems... ...Summary The Senior Technical Applications Engineer serves as the senior technical... ...your health, well-being, and financial security. Our comprehensive benefits include:...SeniorTemporary workWork experience placementLocal areaRemote workWorldwideOverseasFlexible hours$152k - $228k
...solutions across computing, networking, sensing, and security. IonQ’s newest generation of quantum computers, the... ...ID: 1781 The Role: We are looking for a Staff Full Stack Software Engineer for Application Engineering . As a Software Engineer on the...SuggestedPermanent employmentFull timeContract workWork experience placementWork at officeRemote work2 days per week$114k - $171k
...Systems is seeking an Principal or Sr Principal RF Microwave Design Engineer to support our team in Boulder,... ...for high-frequency and microwave applications This position can be staffed... ...an active U.S. Government Secret security clearance at time of application,...SeniorWork at officeRelocationShift work$102k - $157k
...technologies in support of U.S. National Security and Defense. For the past forty-five... ...to obtain and keep a security clearance. Applicants that do not meet these requirements will... ...talented software & algorithm developers and engineers to support programs focusing on low-...SeniorTemporary workFor contractorsWork experience placementImmediate startRemote workFlexible hours$70k - $110k
...Applications Engineer (Entry-Level to Mid-Level) Department: Engineering Reports to: Senior Engineer & Systems Manager Location: Onsite... ...designed to support your health, well-being, and financial security. Our comprehensive benefits include: Medical, dental,...Full timeTemporary workInternshipLocal areaWorldwideFlexible hours$76k - $114k
...We Are Synopsys is the leader in engineering solutions from silicon to systems, enabling customers to rapidly innovate AI-powered products... ...content, presenting at industry conferences, and creating application examples that demonstrate differentiated value in electronics...$96k - $156k
...technologies in support of U.S. National Security and Defense. For the past forty-five... ...require U.S. citizenship for all employees. Applicants that do not meet this requirement will... ...SciTec is seeking a Test Automation Engineer to design, build, and maintain a continuous...SeniorTemporary workFor contractorsWork experience placementRemote workFlexible hours- ...BMS/BAS improvements and implementation. The Senior Design Engineer (Mechanical) helps clients identify, design, and implement utility... ...-build coordination, technical reviews, and integration of applicable incentives or funding opportunities. QUALIFICATIONS...SeniorTemporary workWork at officeLocal areaRemote workFlexible hoursNight shift
$50 per hour
...Martin Space is seeking a skilled software engineer to support space-based mission... ...develop and integrate mission processing applications and flight software that operate on space... ...signal or mission‑data processingActive security clearance#LMSpaceSoftwareEngPay InformationFull...SeniorFull timeTemporary workWork experience placementCasual workFlexible hours$50 per hour
...Martin Space is seeking a skilled software engineer to support the integration and... ...Developing software and automated test applications in C++, Python, and other languagesIntegrating... ...other mission-critical systemsActive security clearance#LMSpaceSoftwareEngPay InformationFull...SeniorFull timeTemporary workWork experience placementCasual workFlexible hours$150k - $180k
...Job Description Job Description Senior Embedded Software Engineer Boulder, CO | Hybrid: 2 days onsite, 3 days remote Base salary: $150,000–$180,000 + bonus Build software that connects directly to the physical world—and help shape the next generation of...SeniorRemote workFlexible hours$50 per hour
...software, subject matter to be programmed in business/mission applications, information processing techniques used, and information gathered... ...software depot team is looking for an experienced software engineer to support the Next Gen GEO program's command and control software...SeniorFull timeTemporary workWork experience placementCasual workFlexible hoursNight shiftAfternoon shift$156.67k - $215.44k
...Job Description Position Title: Sr Embedded Software Engineer Position Description: Protingent Staffing has an exciting Direct Hire Sr... ...Citizenship -May be required to obtain and maintain a U.S. security clearance at the appropriate level. About Protingent...SeniorWork experience placement$140k - $175k
...computational breakthroughs. Join a world-class team of scientists, engineers, and business professionals to advance the state-of-the-art... ...to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying...SeniorTemporary workWork at office3 days per week$102k - $144k
...issues, collaborating closely with external engineering teams to ensure optimal checkout reliability, performance, and security.Gather real-world partner insights and... ...benefitsLearn more about benefits at Google.The application window will be open until at least October...- ...Responsibilities Summary The Senior Software Engineer develops and modifies software solutions... .... Provides technical support to application engineers and lower level software... ...Development, Service Oriented Development, Security best practices C#, ASP.NET and .NET...SeniorContract workLive inWork at office
- ...excellence in hiring exceptional experts, engineers and software developers dedicated to... ...nation.Davidson is seeking a Principal/Sr. Principal Algorithms Engineer in Boulder... ...each other) to ensure the direct mission applicability of developed products.Job Responsibilities...Senior
$156.67k - $215.44k
...missions and systems that keep our world secure in the domain above Earth. Sierra Space... ...About the Role The Senior Embedded Software Engineer role at Sierra Space brings extensive... ...international trade regulations, applicant must be a U.S. Citizen, lawful permanent...SeniorPermanent employmentContract workWork experience placement- ...to drive improved outcomes with significant returns on investment. Description Amplifire is seeking a Senior QA Automation Engineer to help improve software quality through strong automation practices, thoughtful test strategy, and modern AI-assisted workflows....Senior
$165k - $200k
...Join a world-class team of scientists, engineers, and business professionals to advance... ...subsystems, lasers and cameras. Consult with security, design security primitives specific to... ...the hiring process, such as reviewing applications, analyzing resumes, or assessing...SeniorTemporary workWork at office3 days per week- Senior Software Engineer The Senior Software Engineer is an essential contributor within the project team, focusing on maintaining existing... ...include creating modules and components for our existing application, performing code reviews and contributing to refactors. They...Senior
$198k - $368k
...join our team.KPMG is currently seeking a Director, Global Security Engineering Lead to join our Global Digital Group which is part of KPMG... ...Entra ID and the wider Microsoft 365 security tooling suite Applicants must be authorized to work in the U.S. without the need for...H1bLocal area$102k - $157k
...technologies in support of U.S. National Security. For over forty-five years, we have... ...to obtain and keep a security clearance. Applicants that do not meet these requirements will... ...team environment consisting of Scientists, Engineers, and Developers, and be able to prototype...SeniorTemporary workFor contractorsWork experience placementImmediate startRemote workFlexible hours- Statistical Programmer Lead the development, validation, and documentation of CDISC-compliant SDTM and ADaM datasets for CNS clinical trials, ensuring traceability from raw data through analysis outputs. Program and QC tables, listings, and figures (TLFs) for interim and...SeniorInterim roleRemote workShift work
$110k - $150k
...Position Description: KPA is seeking a Senior Information Security Engineer to serve as the senior technical counterpart to the Director... ...and cloud workloads, including SAST, DAST, Snyk, and other application security technologies. Own and continually improve KPA's...SeniorFull time$102k - $157k
...technologies in support of U.S. National Security and Defense. For the past forty-five... ...to obtain and keep a security clearance. Applicants that do not meet these requirements will... ...looking for mission-driven Platform Software Engineers who are ready to make a real impact—not...SeniorTemporary workFor contractorsWork experience placementRemote workFlexible hours- ...culture thrives on: Autonomy | Humility | Customer Obsession | Enthusiasm | Transparency Your Mission This is a mission critical engineering role focused broadly on the software systems that let robots perceive, reason about, and operate in the complex airport...SeniorFlexible hours
$188k - $282k
...across computing, networking, sensing, and security. IonQ’s newest generation of quantum... ...Role: We are looking for a Senior Staff Quantum Scientist to join our Science team... ...and IonQ may decline to proceed with your application on those bases alone. Accordingly, we...SeniorPermanent employmentFull timeContract workWork at officeImmediate startRemote work$102k - $157k
...technologies in support of U.S. National Security and Defense. For the past forty-five... ...to obtain and keep a security clearance. Applicants that do not meet these requirements will... ...immediate opportunity for a talented software engineer to support our programs delivering Next-...SeniorFull timeTemporary workFor contractorsWork experience placementWork at officeImmediate startRemote workFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Staff / Sr Staff Application Security Engineer. Be the first to apply!
- senior staff systems engineer Boulder, CO
- application performance engineer Boulder, CO
- senior application support engineer Boulder, CO
- senior application security engineer Boulder, CO
- app developer Boulder, CO
- senior software engineer ruby on rails Boulder, CO
- senior customer service Boulder, CO
- senior compensation manager Boulder, CO
- senior cloud data engineer Boulder, CO
- senior manager Boulder, CO





