Penetration Tester
Science Applications International Corporation
Job Description Science Applications International Corporation (SAIC) is seeking a Penetration Tester to join our offensive security practice supporting a major state & local government customer. This role sits at the intersection of hands-on technical execution and cybersecurity leadership and it's built around delivering real impact for clients who depend on us to find what others miss. Web application & Network penetration testing is the core of what you'll do every day, and we're looking for someone who brings both technical depth and genuine curiosity to every engagement. Beyond web and network pentesting you'll contribute to our mobile application testing practice (iOS and Android), support ethical hacking operations, and provide strategic guidance on enterprise cyber architecture and cloud security. This position reports to the Security Assessments Manager. This is a role where your contributions are visible, your growth is intentional, and your voice matters to the team and to the clients we serve. Essential duties of this position include: Deliver high-quality penetration tests across a range of client environments, applying black box, white box, web app or mobile methodologies as needed and aligned to NIST standards Independently manage engagement workloads from scoping through reporting, with a consistent focus on quality Produce clear, well-structured technical reports that communicate findings, risk context, and actionable remediation guidance to both technical teams and executive stakeholders and translate complex technical documentation into terms any stakeholder can act on Support and contribute to mobile application security assessments (iOS and Android) using the OWASP MASVS/MSTG framework, with the expectation of growing mobile capabilities over time Perform strategic planning and management in cybersecurity and digital forensics in alignment with the National Initiative for Cybersecurity Education (NICE) Framework Address a wide range of security issues including architectures, firewalls, electronic data traffic, and network access Research, evaluate, and recommend new security tools, techniques, and technologies; utilize COTS/GOTS and custom tools to scan, identify, contain, mitigate, and remediate vulnerabilities and intrusions Apply expert engineering knowledge to design, develop, and implement security solutions across enterprise engagements Confidently present findings to clients whether it is walking a developer through a vulnerability chain or explaining business risk to a CISO in the same afternoon Act as a spokesperson and advisor on advanced technical projects and research; participate with senior management to establish strategic plans and objectives Actively share knowledge with teammates, contribute to internal tooling and methodology improvements, and help close skill gaps across the practice Stay current on emerging vulnerabilities, attack techniques, and industry developments and bring that knowledge back to the team Qualifications Typical Education and Experience: Bachelors and nine (9) years or more experience; Masters and seven (7) years or more experience; PhD or JD and four (4) years or more related experience. Additional experience considered in lieu of degree Candidates must be a US Citizen and able to pass a CJIS Criminal Justice background investigation and maintain CJIS clearance throughout employment term Required Experience: Advanced technical knowledge in cybersecurity and digital forensics Strong working knowledge of the OWASP WSTG and OWASP Top 10 - not just the list, but how to find and exploit the vulnerabilities Proficiency with standard web application testing tools (e.g., Burp Suite Pro, FFUF, SQLMap, Nuclei) Working familiarity with mobile application testing concepts and tooling (e.g., Frida, Objection, MobSF, ADB) Proven experience in red-teaming, ethical hacking, and cloud security architecture Proficiency in malware reverse engineering and enterprise cyber architecture Strong background in addressing security issues related to architectures, firewalls, electronic data traffic, and network access Experience researching, evaluating, and recommending new security tools and technologies Proficiency utilizing COTS/GOTS and custom tools for vulnerability management Demonstrated ability to write professional, client-ready penetration test reports with minimal revision GWAPT certification required or strongly preferred; candidates holding OSCP, OSWE, or GWEB will also be considered Preferred Experience: Hands-on experience conducting iOS and/or Android application assessments Familiarity with API security testing (REST, GraphQL, SOAP) Exposure to source code review as part of white box engagements Experience presenting findings directly to client stakeholders, including senior leadership Participation with senior management to establish strategic plans and objectives Experience working on unusually complex technical problems and providing innovative solutions Proven ability to work under consultative direction toward long-range goals and objectives Experience serving as an organizational spokesperson and advisor on advanced technical projects Knowledge of applying advanced technical principles, theories, and concepts to develop new principles and concepts Experience making decisions on administrative or project work matters to achieve program or organizational objectives Strong background in developing advanced technological ideas and guiding them to final product development Experience influencing organizational image and technological capability through decision-making and recommendations About Us SAIC® is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives. We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom. Science Applications International Corporation
- ...Cybersecurity – Penetration Tester Contract role, onsite, Midtown NYC RedStream Technology is searching for a Penetration Tester / Ethical Hacker for their client’s Information Security team. The Penetration Tester is responsible for strengthening the client’s cyber...SuggestedContract work
- ...experiences, successes, and joy allows everyone to be their best at Ascendion. About the Role: Key Responsibilities: Execute scoped penetration tests against cloud-native services and applications hosted on Bedrock/SageMaker. Assist in security testing of APIs, model...SuggestedTemporary work
- ...Job Description Cybersecurity – Penetration Tester \n Contract role, onsite, Midtown NYC \n \n RedStream Technology is searching for a Penetration Tester / Ethical Hacker for their client’s Information Security team. The Penetration Tester is responsible for...SuggestedContract work
$130k - $165k
Penetration Tester The Penetration Tester role is a key part of NinjaOne's core security team, with visibility across the entire organization, from individual developers to executive leadership. You will directly strengthen the security of the NinjaOne platform by identifying...SuggestedFull timeRemote workWork from homeRelocationFlexible hours- Penetration Tester Our client is seeking a Penetration Tester with 8-10 years of experience to review and validate vulnerability reports, perform targeted retesting, and coordinate remediation efforts across development and infrastructure teams. Responsibilities & Qualifications...Suggested
$120k
...take a moment to browse through our website and learn more about what it means to serve with MKS2. Ethical Hacker / Penetration Tester Principal Location: Hybrid (Remote with travel to Albany, NY twice per month) Job Type: Full-Time Program: NYSoH...Full timeRemote work- ...Job Description Job Description Job Description: Penetration Tester Position Title Penetration Tester / Ethical Hacker Job Summary We are seeking a skilled Penetration Tester to assess the security posture of our applications, networks, infrastructure, and cloud...Full timeContract work
- pss | beyond cybersecurity is seeking a security tester to perform assessments on client systems within an agreed scope. You will start by pairing with a senior tester and, as you gain confidence, run your own engagements. Half the time you test, half you write findings...
- ...seeking a PenTester / Ethical Hacker to join our remote cybersecurity team on a 6‑month contract. You will conduct comprehensive penetration tests across web apps, APIs, mobile apps, networks, and cloud environments (AWS/Azure/GCP). The role requires at least 3 years of...Remote jobContract work
- %PDF-1.6%ÓôÌá1 0 obj /Rotate 0/StructParents 2/Tabs/S/Type/Page/Group endobj2 0 obj streamH‰ìW[—ÓÈ~÷¯èG;ÇÖè.yápÎ2L’IB€Å‡!'Gµm#Á² ~«U—nÉÏ,$yÚ—YêKÕWU_}uöÇuùU=|xöôüò‰ŠÔ£GŸœ«ÙÇYy¡Ê|/ U%žŸ«4_{y® éÙkUÍofg›¯µÙÍ|Ï÷ááZ¾·ÎÕÊW=¦©—ª,ñ½ W›³«ù‡EäÅjþv±Ôüþz¹š_›ÿ™š×Õ?ì»O‹˜-¾¨«¥*õ £E‹...
- ...Ethical HackerEthical Hacker / Penetration TesterWe are seeking a skilled Ethical Hacker to identify, analyze, and help remediate security vulnerabilities across applications, networks, systems, and cloud environments. The ideal candidate will perform authorized security...Flexible hours
$192k - $240k
The Security Incident Response Team (SIRT) plays a vital role in keeping Datadog safe from cybersecurity threats, defending the organization against threat actors, and maintaining the trust of our customers by ensuring their data remains protected. In this role, you will...Work at office$160k - $200k
We are seeking an experienced Senior Engineer to help strengthen and reinforce our security processes, workflows, and posture as it relates to our applications, cloud infrastructure, and platform. In this role, you won't just be patching what's already broken; you will ...Work at officeWorldwideFlexible hoursNight shift$159.3k - $212.8k
In Amazon Stores, we ship some of the widest arrays of technology found at any company. From Amazon.com to world class machine learning pipelines, from digital healthcare to no-checkout retail, we push the boundaries of technology in every direction using the globe’s largest...InternshipFlexible hours$159.3k - $212.8k
The AWS Security Hub team is looking for a passionate and innovative security engineer with a focus on compliance and security best practices for AWS, Azure, and GCP services. AWS Security Hub is the security and compliance center for AWS customers. One of its main functions...InternshipFlexible hours$200k - $220k
Who We AreNotion is the collaborative AI workspace where teams and agents think together. We're building one place where your knowledge, projects, meetings, and AI tools live side by side, so work is faster, clearer, and less fragmented. Millions of individuals, small teams...Work at officeLocal area$159.3k - $212.8k
...product and engineering teams in designing secure systems. In this role, you will conduct secure design reviews, code review and penetration testing, develop custom tools and frameworks to assist in proactive security and collaborate with product and engineering teams to...InternshipFlexible hours$237.6k - $297k
We are seeking a highly technical Security Engineer to join our Product Security team. This role is integral to ensuring the security and integrity of our products and services. You will conduct in-depth code reviews, implement security best practices, and influence the...Full time$175.1k - $236.9k
In Amazon Stores, we ship some of the widest arrays of technology found at any company. From Amazon.com to world class machine learning pipelines, from digital healthcare to no-checkout retail, we push the boundaries of technology in every direction using the globe’s largest...InternshipFlexible hours$174k - $252k
Identify security issues and implement and design security controls, tools, and services to improve security systems and processes.Drive the strategy for the teams core pillars by identifying emerging access risks and designing technical solutions to mitigate them at scale...$190k - $260k
Senior Incident Response & Digital Forensics Analyst Location New York Business Area Legal, Compliance, and Risk Ref # 10054249 Description & Requirements Cyber Security Operations Center — Threat Hunting, Intelligence & Incident ResponseThe RoleBloomberg...Temporary workFor contractorsWork experience placementImmediate startRemote workShift work- Ankura is a team of excellence founded on innovation and growth.Position Summary:The Cloud Security Architect performs cloud security posture and configuration reviews to identify misconfigurations, security control gaps, support migrations, and opportunities for improvement...Permanent employmentFull timeRemote work
$82.6k - $162.8k
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 ...Local areaVisa sponsorship$152.5k - $205k
Circle (NYSE: CRCL) is one of the world’s leading internet financial platform companies, building the foundation of a more open, global economy through digital assets, payment applications, and programmable blockchain infrastructure. Circle’s platform includes the world...Contract workWork at officeLocal areaRemote workFlexible hours$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:...Remote work10 hours per week- Akamai Security Engineer (AI/LLM Security) NYC, NY or Atlanta, GA (3 Days Onsite) Long-Term Contract Interview: In-Person We are seeking an experienced Akamai Security Engineer with expertise in enterprise-scale Akamai implementations, web application security...Long term contract
$65k - $80k
Digital Forensic Analyst Contact Discovery Services - New York, NY Location: Remote Start Date: Negotiable A leading eDiscovery technology and consulting firm headquartered in Washington, DC is looking for a qualified and experienced Digital Forensic Analyst...Remote work- ...vulnerability assessments, patching processes, and remediation activities across endpoints, servers, and network hardware; facilitate penetration testing and follow-up remediations. Develop, document, and implement change management procedures for configuration updates,...Work at office
$150k - $185k
Senior Systems & Security Administrator | $150,000 to $185,000 | New York, NY | Hybrid Our client is a leading professional services organization seeking a Senior Systems & Security Administrator to take ownership of a broad infrastructure and security environment. ...$230k - $330k
...securing multi-tenant SaaS, enterprise software, or systems that process sensitive customer data.Offensive security experience through penetration testing, red teaming or security research.Experience operating or participating in a vulnerability disclosure or bug bounty...Full timeWork at officeLocal areaRemote workHome office
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Penetration Tester. Be the first to apply!




