Principal/Sr Principal Penetration Tester
$103.6k - $155.4kNorthrop Grumman
RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: Top SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.Northrop Grumman Mission Systems (NGMS) is seeking a Principal or Senior Principal Cyber Protection Engineer to join our team of qualified, diverse individuals conducting penetration and cybersecurity testing activities in San Antonio, TX.In this role, the Cyber Protection Engineer assesses and tests system cybersecurity requirements, system security architecture, and system security layout. The candidate will operate in a team environment and collaborate across the organization (as required) to accomplish team goals by coordinating with customers and other testing organizations.Essential duties:Conduct cloud-focused penetration testing and security assessment activities to identify vulnerabilities, attack paths, and potential threat vectors across cloud-native and hybrid environments.Support offensive security operations targeting cloud infrastructure, CI/CD pipelines, containerized workloads, applications, and enterprise services within AWS, Azure, and related platforms.Assists with development of attack methodologies, testing procedures, and technical analysis while collaborating with senior operators and engineers.Apply cybersecurity knowledge to evaluate cloud security posture, validate security controls, and contribute to technical reporting, operational recommendations, and remediation guidance.This position can be filled at the Principal or Sr. Principal Level.Basic Qualifications for Principal Engineer:Bachelor's Degree and 5 years of related experience; or a Master's degree and 3 years of related experience. Note: 9 years of related experience may be considered in lieu of degree.US Citizenship is requiredActive US Government Top Secret Security Clearance is required with the ability to obtain an SCI.Must possess a DoD 8570 Certification for IAT Level II or higher(Sec+, CCNA, CySA+ or CND).Experience conducting penetration testing, vulnerability analysis, or security assessments against cloud, enterprise, or hybrid environments.Experience with cloud platforms such as AWS and Azure, including familiarity with IAM, networking, storage, logging, and security services.Familiarity with CI/CD pipeline technologies and concepts, including GitHub Actions, GitLab CI/CD, Jenkins, Azure DevOps, or similar platforms.Experience or familiarity with containerization and virtualization technologies such as Docker, Kubernetes, or VMware.Knowledge of Windows and Linux operating systems, networking fundamentals, and common enterprise architecture.Experience using scripting or automation languages such as Python, Bash, or PowerShell to support testing, analysis, or operational workflows.Familiarity with offensive security methodologies, vulnerability management processes, and common attacker TTPs.Basic Qualifications for Sr. Principal Engineer:Bachelor's Degree and 8 years of related experience; or a Master's degree and 6 years of related experience. Note:12 years of related experience may be considered in lieu of degree.US Citizenship is requiredActive US Government Top Secret Security Clearance is required with the ability to obtain an SCI.Must possess a DoD 8570 Certification for IAT Level II or higher(Sec+, CCNA, CySA+ or CND).Experience conducting penetration testing, vulnerability analysis, or security assessments against cloud, enterprise, or hybrid environments.Experience with cloud platforms such as AWS and Azure, including familiarity with IAM, networking, storage, logging, and security services.Familiarity with CI/CD pipeline technologies and concepts, including GitHub Actions, GitLab CI/CD, Jenkins, Azure DevOps, or similar platforms.Experience or familiarity with containerization and virtualization technologies such as Docker, Kubernetes, or VMware.Knowledge of Windows and Linux operating systems, networking fundamentals, and common enterprise architecture.Experience using scripting or automation languages such as Python, Bash, or PowerShell to support testing, analysis, or operational workflows.Familiarity with offensive security methodologies, vulnerability management processes, and common attacker TTPs.Preferred Qualifications for both:Ability to analyze technical findings and contribute to assessment reports, presentations, and client deliverables, and communicate findings to both technical and non-technical stakeholders.Experience assessing cloud-native technologies, including Kubernetes, containers, serverless functions, or Infrastructure-as-Code deployments.Familiarity with cloud security assessment tools, vulnerability scanners, and offensive security frameworks.Familiarity with Terraform, Ansible, ARM templates, CloudFormation, or Infrastructure-as-Code concepts.Experience with logging, monitoring, and detection technologies such as Splunk, Sentinel, ELK, Defender, or CrowdStrike.Familiarity with RMF, A&A activities, STIGs, SCAP, ACAS, or cybersecurity compliance frameworks.Ability to rapidly learn emerging technologies, cloud attack methodologies, and evolving threat landscapes.Relevant certifications such as AWS Security Specialty, Azure Security Engineer Associate, PenTest+, CySA+, CEH, AZ-500, SC-200, CRTO, GPEN, GXPN, OSCP, or similar cybersecurity certifications preferred.Primary Level Salary Range: $103,600.00 - $155,400.00Secondary Level Salary Range: $129,300.00 - $193,900.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.SummaryLocation: United States-Texas-San AntonioType: Full time
$103.6k - $155.4k
...employees are not only part of history, they're making history.Northrop Grumman Mission Systems (NGMS) is seeking a Principal/Sr. Principal Cyber Penetration Tester to join our team of qualified, diverse individuals conducting cybersecurity test activities in San Antonio, TX...PrincipalSeniorFull timeRemote workRelocation packageShift work$113.9k - $170.9k
...assessment methods, plans, procedures, reports and security penetration test planning and execution.Provide input to program... ...engineering review boardsThis position can be filled at the Principal or the Sr. Principal Level.Basic Qualifications for a Principal Cyber...PrincipalSeniorFull timeRelocation packageShift work- ...Senior Director, Principal Gifts About the Company Philanthropic organization supporting Indigenous culture & individuals Industry Non-Profit Organization Management Type Non Profit Founded 2017 Employees 11-50 Categories...PrincipalSenior
- Why choose between doing meaningful work and having a fulfilling life? At MITRE, you can have both. That's because MITRE people are committed to tackling our nation's toughest challenges—and we're committed to the long-term well-being of our employees. MITRE is different...PrincipalWork experience placementInternshipLocal area
- ...Sr. Software Systems Analyst Come join a growing bank at the heart of the innovation, technology, green tech, and life sciences space. We continue to expand our global footprint and our banking technology is at the core of everything we do. Work within our Financial...SeniorWork experience placementRemote workFlexible hours
- ...plays a critical role in ensuring our students have the skills and confidence to pursue the paths they choose - college, career and beyond. Our educators are passionate advocates for thei Assistant Principal, Operations, School Leader, Operation, Principal, Assistant...Principal
$110k - $220k
...potential attacks against the systems being studied. Relevant Skills: ~ Relevant experience must be in vulnerability analysis, penetration testing, and/or computer forensics. In addition, may include computer of information systems design/development, programming,...Work experience placementLocal area$130k
Job Title Terms of employment: 11 months / 211 days per year. Salary is based on the EISD Elementary ACE (Resource) Compensation Plan and paid under a term or probationary contract, as applicable. Annual base salary is up to $130,000. Additional performance compensation...PrincipalContract work- ...perspectives to the table, so we can truly know and help our clients, communities, and each other.CLA is currently seeking a Tax Principal or Signing Director to join our San Antonio, TX Private Industry Tax Team focusing on S-Corps, Partnerships and Individuals. The Principal...PrincipalFull time
$112k - $179k
Peraton is looking for a Digital Forensic Analyst to support the Air Force Office of Special Investigations in San Antonio, TX. The role requires acquiring and analyzing data from electronic devices and handling sensitive criminal investigations. The ideal candidate will...SeniorWork at office- ...Word High School, an all-girls Catholic high school sponsored by the Sisters of Charity of the Incarnate Word, seeks an Associate Principal for the 2026-2027 school year. This position will have a 12-month work schedule. The school seeks to maintain a fully and authentically...PrincipalWork at office
$144.9k - $217.3k
...Engineering efforts for complex software and hardware airborne vehicle and ground systems. Work location will be on-site.In this role the Sr. Staff Cyber Systems Engineer willLead cyber systems engineering teams in execution of the statement of work, cost, schedule, and...SeniorFull timeWork at officeRelocationShift work- ...hiring managers could potentially reach to them. PROFILES WITHOUT THE REQUIRED DETAILS and TIME SLOTS will be REJECTED.Job title: Principal Technology ArchitectWork Location: Brentwood, TN, USAVendor Rate: ***Minimum years of experience: 10+ years of relevant experienceWould...PrincipalImmediate startRemote workRelocation
- Job Summary:The Principal Research and Development Engineer will lead and oversee their respective area(s) of development of XPEL’s core technology.Core Duties Develop a roadmap for next gen product innovations and lead platform level programsDesign and develop stable pigment...PrincipalFull timeWork at office
$110.7k - $218.3k
Position Summary Join Deloitte’s Cyber Defense & Resilience team as a forward deployed engineer supporting client patching and remediation programs. In this role, you’ll work directly with client infrastructure, endpoint, server, and application teams to reduce ...Local area- Job Summary:The Principal Research and Development Engineer will lead and oversee their respective area(s) of development of XPEL’s core technology.Core Duties Lead fundamental research into TPU/EPU polymer architecture (soft/hard segment ratios, chain extenders, isocyanates...PrincipalFull timeWork at office
- SWBC is seeking a talented individual to lead information technology audits designed to determine the adequacy of internal controls and the degree of compliance with policies, laws, and federal regulations, as they relate to information technology. Assesses organizational...SeniorFull timeWork at office
- Company DescriptionSonSoft Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. SonSoft Inc is growing at a steady pace specializing in the fields of Software Development, Software Consultancy, and Information Technology Enabled ...PrincipalPermanent employmentFull timeH1bFlexible hours
- ...Vice President, Principal Owner Development & Growth About the Company Top-tier mutual life insurance company Industry Financial Services Type Privately Held, Private Equity-backed Founded 1860 Employees 5001-10,000 Categories...PrincipalHome office
$125k - $200k
OverviewMG2, an affiliate of Colliers Engineering & Design is currently looking for a Principal Architect - Data Centers to join our Client Programs Market team in San Antonio, TX!You will be working in our Client Programs (CP) Market, where you will have the unique opportunity...PrincipalTemporary workSummer work- ...committed to creating an environment that enables you to realize your own success and fulfillment.When you join Design Group as a Principal Process Controls Engineer, you are joining a team that will challenge you and position you for growth. Design Group is widely known...PrincipalFull timeFlexible hours
- ...Software Engineer Principal Transform technology into opportunity as a Software Engineer Principal at GDIT. Shape what's next for... ...monitoring and alerting systems. Leading security assessments, penetration testing, and vulnerability remediation efforts, including...Principal
- ...looking for innovative ways to help people? Do you like having the autonomy to build new solutions from the ground up? If so, being a Principal Engineer at Frost could be the job for you.At Frost, it’s about more than a job. It’s about having a flourishing career where you...PrincipalFull time
$500 per month
...Become a Professional Game Tester We're looking for passionate gamers to join our elite team of mobile game testers. Get paid to play and test the latest games before they launch. $500+ Avg Monthly Pay 5-10 Hours/Week 100% Remote Position Requirements:...Extra incomeRemote work10 hours per week$82.6k - $162.8k
Position Summary Join our Deloitte Cyber team to deliver powerful solutions to help our clients navigate the ever-changing threat landscape. Through powerful solutions and managed services that simplify complexity, we enable our clients to operate with resilience...Local areaVisa sponsorship- ...Principal Vulnerability Researcher Zetier is seeking Principal Vulnerability Researchers to analyze and counter malicious software and develop operationally critical cyber capabilities. Candidates will demonstrate practical experience designing, developing, and deploying...Principal
- ...Campus Leadership Scales at our Career Website Position Hours: Full-time, extended workdays, and occasional weekends. Reports To: Principal Manager Position Mission : The Principal at Jubilee Academies serves as the instructional leader of campus, responsible for coaching...PrincipalFull timeSummer workWork at office
$105.4k - $207.8k
Position Summary Join Deloitte’s Cyber practice as a Cyber SecOps Senior Consultant and help clients navigate an evolving threat landscape through scalable, resilient security operations solutions. In this hands-on role, you will support high-visibility engagements...SeniorLocal areaVisa sponsorship$50k
DescriptionValero is looking for a Principal Process Engineer - Fractionation to join the Process Optimization & Support team at the Valero Headquarters in San Antonio, Texas. The Principal Process Engineer - Fractionation serves as Fractionation Subject Matter Expert providing...PrincipalFor contractorsFor subcontractorInternshipLocal area$97.61k - $188.38k
Position Summary Our Deloitte Cyber team understands the unique challenges and opportunities businesses face in cybersecurity. Join our team to deliver powerful solutions to help our clients navigate the ever-changing threat landscape. Through powerful solutions...SeniorLocal areaVisa sponsorship
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Principal/Sr Principal Penetration Tester. Be the first to apply!
- principal San Antonio, TX
- senior principal cloud computing engineer San Antonio, TX
- senior principal scientist San Antonio, TX
- senior cost estimator San Antonio, TX
- senior manager tax San Antonio, TX
- senior devops San Antonio, TX
- senior paralegal San Antonio, TX
- senior associate vice president San Antonio, TX
- senior director digital marketing San Antonio, TX
- senior international accountant San Antonio, TX

