Huntsville, Alabama, United States · On-site
$87k–$157k/yr
Leidos has a new and exciting opportunity for a Penetration Tester in our INTEL Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations …
Skills: Penetration Testing, Vulnerability Assessment, Security Analysis, Linux, Windows
Cintel, Inc.Huntsville, Alabama, United States · On-site
Position Title: Data Scientist Mid Location: Redstone Arsenal Position Type: Full-Time Position Summary: We are seeking a Mid-Level Data Scientist to support scientific and technical efforts through the application of da…
Skills: Data Science, Statistical Methods, Modeling, Computational Techniques, Python
Huntsville, Alabama, United States · On-site
$105k–$125k/yr
General Overview APEX TK is seeking a Model-Based Systems Engineer (MBSE) to support the Targets and Countermeasures program office of the Missile Defense Agency (MDA). In this role, you will apply systems engineering pr…
Skills: MBSE, SysML, Systems Engineering, DoDAF, UAF
Northrop Grumman Mission Systems, Inc.Huntsville, Alabama, United States · On-site
$136k–$204k/yr
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunit…
Skills: Ada, C++, Java, Software development, Mathematics
Huntsville, Alabama, United States · On-site
$136k–$204k/yr
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunit…
Skills: Ada, C++, Java, Mathematics, Physics
Huntsville, Alabama, United States · On-site
$80k–$148k/yr
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunit…
Skills: Environmental Health and Safety, Regulatory compliance, Hazard identification, Risk mitigation, Incident investigation
Huntsville, Alabama, United States · On-site
$87k–$157k/yr
Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribut…
Skills: Mechanical Engineering, Thermal Protection Systems, Hypersonics, Manufacturing Engineering, CAD
Huntsville, Alabama, United States · On-site
$116k–$210k/yr
Leidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission …
Skills: Control Account Management, EVM, Integrated Master Schedule, Performance Measurement Baseline, Variance Analysis
Huntsville, Alabama, United States · On-site
$99k–$217k/yr
Software Engineer, Missile Defense National Team, C2BMC (Associate, Experienced or Senior) Company: The Boeing Company The Boeing Company is looking for Software Engineers – Developers (Associate, Experienced, Senior) to…
Skills: Java, Spring, Oracle SQL, SQL Server, UML
Huntsville, Alabama, United States · On-site
$92k–$167k/yr
Leidos Defense Systems Sector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission …
Skills: Control Account Management, EVM, Budgeting, Schedule Analysis, Variance Analysis
Huntsville, Alabama, United States · On-site
$131k–$237k/yr
Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribut…
Skills: Test Planning, Radar Systems, Systems Engineering, Test Execution, Leadership
Northrop Grumman Mission Systems, Inc.Huntsville, Alabama, United States · On-site
$49k–$82k/yr
RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunities t…
Skills: PC Network Support, Active Directory, Troubleshooting, Hardware installation, Service desk
Huntsville, Alabama, United States · On-site
$88k–$131k/yr
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunit…
Skills: Software development, Ada, C++, Java, Mathematics
Northrop Grumman Mission Systems, Inc.Huntsville, Alabama, United States · On-site
$88k–$131k/yr
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunit…
Skills: Software development, Ada, C++, Java, Mathematics
Torch Technologies, Inc.Huntsville, Alabama, United States · On-site
Torch Technologies Thank you for your interest in employment with Torch Technologies. We are a 100% employee-owned, Certified Great Place To Work and named Best Places to Work in Huntsville/Madison County, headquartered …
Skills: Modeling & simulation, Project management, Missile defense system, Risk management, Strategic planning
Huntsville, Alabama, United States · On-site
$49k–$82k/yr
RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunities t…
Skills: Active Directory, Service desk, IT operations, Hardware troubleshooting, Software support
Huntsville, Alabama, United States · On-site
$87k–$157k/yr
Looking for an opportunity to make an impact? This posting is for multiple opportunities ranging in years of experience. Level of opportunity, including compensation, will be matched to a candidate's experience. At Leido…
Skills: Electronic Warfare, Radar Systems, System Integration, Software Engineering, Hardware Integration
Huntsville, Alabama, United States · Hybrid
$117k–$176k/yr
The Aerospace Corporation is the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development ce…
Skills: Systems engineering, Program management, Communications, PNT, Electronics
Cintel, Inc.Huntsville, Alabama, United States · On-site
Position Title: Solutions Architect- Senior Location: Redstone Arsenal Position Type: Full-Time Position Summary: We are seeking a Senior Solutions Architect to design and develop technical solutions that meet complex bu…
Skills: Solutions Architecture, Systems Engineering, Software Development, Infrastructure Integration, Technical Design
Huntsville, Alabama, United States · On-site
About Agile Defense At Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spirit and the courage t…
Skills: IT Support, Technical Customer Service, Hardware Troubleshooting, Software Troubleshooting, Active Directory
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The role involves performing live penetration tests, conducting deep-dive preparatory analysis, and recommending mitigation strategies for discovered vulnerabilities. Additionally, the position requires red team tool development and ensuring the resiliency of customer systems through comprehensive security assessments.
Candidates must possess a bachelor's degree in a technical field and 4-8 years of relevant experience in penetration testing or security analysis. Proficiency in Linux, Windows, scripting languages, and cloud security methodologies is required, along with the ability to obtain a TS/SCI security clearance.
Leidos has a new and exciting opportunity for a Penetration Tester in our INTEL Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!
Primary Responsibilities :
This is a full-time position with the Leidos office in Huntsville, AL. The position consists of performing live penetration tests for customers and performing deep-dive preparatory analysis for any system under test. The position also includes recommending specific mitigation strategies to the customer for discovered vulnerabilities, and testing at multiple stages of the system development/acquisition lifecycle. This also includes red team tool development for use in stand-alone and network-connected systems. The position is responsible for ensuring survivability and resiliency of customer systems under test, and timely delivery of development updates and after-action reports after each assessment.
Required Qualifications:
Bachelor’s degree in Cyber Security, Computer Science, Computer Engineering, Electrical Engineering, or related Technical Degree
4-8 years of experience in penetration testing/red teams or related security field, or a master’s degree in a related field with +2 year of experience. Experience may be considered in lieu of a degree.
Proficient with Linux (preferably Kali, Parrot, or similar distros) and Windows Operating systems
Experience with using scripting languages such as bash, python, etc
Hands-on experience performing penetration tests, vulnerability assessments, and security analysis on enterprise systems
Proven experience with web application penetration testing, including OWASP Top 10 vulnerabilities
Experience conducting cloud security assessments (AWS, Azure, GCP) and cloud-native penetration testing
Familiarity with API security testing (REST, SOAP, GraphQL) and authentication/authorization mechanisms
Strong understanding of TCP/IP network architecture, protocols, and network security concepts
Candidate must be located in Huntsville, AL area or be willing to relocate to the Huntsville, AL area as this is an ON-SITE Position.
Candidate must be a US CITIZEN and be able to obtain a TS/SCI security clearance.
Preferred Qualifications:
Tools & Technical Skills:
• Extensive experience with reconnaissance and scanning tools (Nmap, Nikto, Burp Suite, OWASP ZAP, etc.)
• Extensive experience with exploitation frameworks and tools (Metasploit, Cobalt Strike, Empire, etc.)
• Demonstrated ability to develop custom exploits and automation scripts using Python, Bash, PowerShell, or similar languages
• Experience with cloud security tools and methodologies (ScoutSuite, Prowler, Pacu, etc.)
Professional Experience:
• Prior Department of War (DoW) experience or work with government/defense sector clients
Certifications & Continuous Learning:
• Completion of or active pursuit of industry certifications such as OSCP, GPEN, GWAPT, GCIH, GSEC, CPTS, CEH, or equivalent technical certifications
• RF security experience or amateur (HAM) radio certification is a plus
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
An industry & technology leader serving government & commercial customers with smarter, more efficient innovations
Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
Offices: 1750 Presidents St, Reston, Virginia 20190, US · 11955 Freedom Drive, Reston, VA 20190, US · 1145 N 2nd St, Leavenworth, KS 66048, US · 9600 Great Hills Trail, Austin, TX 78759, US · 221 3rd St, Newport, RI 02840, US
Based on 1116 listings with disclosed salaries, most government & public sector jobs in Huntsville, AL pay between $59k–$196k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 2,190 open government & public sector positions in Huntsville, AL listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Leidos, Northrop Grumman, Northrop Grumman Mission Systems, Inc., Torch Technologies, Inc., Modern Technology Solutions, Inc. (MTSI), among others. Browse the listings above to see every active employer.
Yes — 173 of the 2190 open government & public sector positions offer remote or hybrid work (32 remote, 141 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
