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Penetration Tester Jobs in Renton, WA (NOW HIRING)

EnerSys

Application Security Engineer (REMOTE)

Sumner, WA · Remote

$117K - $146K/yr

Conduct application security assessments, code reviews, API testing, threat modeling, and penetration testing to identify vulnerabilities. Define, maintain, and enforce secure coding standards ...

Jobtailor

Senior Security Consultant, Red Team

Seattle, WA · On-site

$150 - $210/hr

Penetration testing experience in Network, Web applications, Wireless networks, Physical security, and Social engineering * Experience with C2 and post-exploitation frameworks, including Cobalt ...

New

Jobtailor

Staff Network Security Engineer

Seattle, WA · On-site

$140 - $190/hr

Promote security best practices through documentation, tooling, and collaboration Requirements * 8-10 years of experience in network security engineering, network penetration testing, or security ...

New

NextDeavor Inc.

WAF Adversarial Engineer

Seattle, WA · On-site +1

$56.34 - $70.42/hr

Proven web application penetration testing track record with WAF-specific scope; tool-running alone does not qualify. * Certifications or demonstrated outputs such as OSCP, BSCP, OSWE, or a portfolio ...

OpenAI

Security Engineer, Application Security

Seattle, WA · On-site

$234K - $385K/yr

Conduct regular security assessments, code reviews, and penetration testing to identify vulnerabilities in applications and software. * Develop and Implement Security Tools : Design, develop, and ...

Microsoft

Sr. Security Delivery Expert

Redmond, WA · On-site

$160K - $261K/yr

Knowledge of kill-chain model, ATT&CK framework, and modern penetration testing techniques. * Knowledge of major cloud and productivity platforms as well as identity systems and related security ...

IOActive, Inc.

Sales Manager/Director

Seattle, WA · On-site

$150 - $200/hr

Our cutting‑edge cybersecurity teams provide highly specialized technical and programmatic services including full‑stack penetration testing, program efficacy assessments, and hardware hacking.

DevSelect

Senior DevOps Engineer

Seattle, WA · On-site +1

$147K - $190K/yr

Experience with TestCafe, penetration testing, or similar test frameworks. Benefits * Health Care Plan (Medical, Dental & Vision) * 401K * Life Insurance * Paid Time Off (Vacation, Sick & Public ...

AditiStaffing

Sr Java Developer

Bellevue, WA · On-site

$64.50 - $82.50/hr

Demonstrable penetration testing skills Excellent communication skills, both oral and written Ability to work independently Application development background with languages such as C, C++, C#, JAVA ...

ptoiad

Technologies-Security Engineer

Tacoma, WA

Schedules Penetration Tests. * Perform Regular Vulnerability Assessments, and creates teaching and education curriculum for all employees, including social engineering, policy and procedure testing ...

Staris AI

Sales Engineer

Seattle, WA · Remote

$120K - $150K/yr

Staris AI is a Series A ventured-backed firm that is reinventing application security with its innovative AI-powered penetration testing that continuously validates and remediates real attack paths ...

ptoiad

Technologies-Security Engineer

Tacoma, WA

Schedules Penetration Tests. * Perform Regular Vulnerability Assessments, and creates teaching and education curriculum for all employees, including social engineering, policy and procedure testing ...

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All JobsPenetration Tester JobsPenetration Tester Jobs in Renton, WA

Penetration Tester information

See Renton, WA salary details

$25.4K

$135.4K

$190.3K

How much do penetration tester jobs pay per year?

As of Aug 8, 2026, the average yearly pay for penetration tester in Renton, WA is $135,411.00, according to ZipRecruiter salary data. Most workers in this role earn between $108,400.00 and $159,200.00 per year, depending on experience, location, and employer.

What does a penetration tester do?

As a penetration tester, your job is to test the security of a network by attempting to hack into an application, system, or computer. Penetration testing can occur in a variety of ways, from physical interaction with the machine you’re trying to hack to attacks sent over the web. Aside from helping clients test for vulnerabilities, your job also includes explaining how you got in and providing recommendations for stopping others from repeating your actions. In some cases, you may be asked to help investigate cyber crimes or explain methods and techniques in criminal trials. Success in this job is often measured by how many security holes you find and close.

What are some common challenges penetration testers face during client engagements?

Penetration testers often encounter challenges such as limited access to information, strict time constraints, and navigating complex or legacy systems. Additionally, they must balance thorough testing with minimizing disruptions to client operations. Effective communication is crucial, as testers need to clearly document findings and explain technical vulnerabilities to non-technical stakeholders to ensure remediation efforts are understood and prioritized.

What is a penetration tester?

Penetration Testers, also known as ethical hackers, are cybersecurity professionals who simulate cyberattacks on computer systems, networks, or applications to identify and address security vulnerabilities. Their work helps organizations discover weak points before malicious hackers can exploit them. Penetration testers use a variety of tools and techniques to mimic real-world threats and provide detailed reports with recommendations for improving security. They play a crucial role in maintaining the safety and integrity of an organization’s digital assets.

What is the difference between Penetration Tester vs Vulnerability Analyst?

AspectPenetration TesterVulnerability Analyst
CertificationsOSCP, CEH, GPENCVE, CISSP, GIAC
Work EnvironmentHands-on testing, simulated attacksVulnerability scanning, risk assessment
Employer & IndustryCybersecurity firms, IT departmentsSecurity teams, compliance agencies
Search & Comparison IntentUnderstanding testing roles, skillsIdentifying vulnerabilities, analysis methods

While both roles focus on cybersecurity, a Penetration Tester actively exploits vulnerabilities to test security defenses, whereas a Vulnerability Analyst identifies and assesses weaknesses without exploiting them. Penetration Testers typically perform simulated attacks, requiring hands-on skills and certifications like OSCP or CEH. Vulnerability Analysts focus on scanning and reporting vulnerabilities, often working with tools like Nessus or Qualys. Both roles are essential for a comprehensive security strategy but differ in approach and responsibilities.

What are the key skills and qualifications needed to thrive as a penetration tester, and why are they important?

To thrive as a Penetration Tester, you need a solid understanding of networking, operating systems, cybersecurity principles, and typically hold certifications like OSCP or CEH. Proficiency with tools such as Metasploit, Burp Suite, Nmap, and Wireshark is crucial for identifying and exploiting vulnerabilities. Strong analytical thinking, attention to detail, and clear communication skills help Penetration Testers effectively document findings and convey risks to clients. These skills and qualities are vital for uncovering security weaknesses and helping organizations strengthen their defenses against cyber threats.
More about Penetration Tester jobs
What are the most commonly searched types of Penetration Tester jobs in Renton, WA? The most popular types of Penetration Tester jobs in Renton, WA are:
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What cities near Renton, WA are hiring for Penetration Tester jobs? Cities near Renton, WA with the most Penetration Tester job openings:
Penetration Tester jobs near you
Infographic showing various Penetration Tester job openings in Renton, WA as of August 2026, with employment types broken down into 79% Full Time, and 21% Part Time. Highlights an 84% In-person, and 16% Remote job distribution, with an average salary of $135,411 per year, or $65.1 per hour.

Application Security Engineer (REMOTE)

EnerSys

Sumner, WA • Remote

$117K - $146K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 8 days ago

EnerSys rating

7.7

Company rating: 7.7 out of 10

Based on 55 frontline employees who took The Breakroom Quiz

196th of 537 rated manufacturers

Job description

EnerSys is a global leader in stored energy solutions for industrial applications. We have over thirty manufacturing and assembly plants worldwide servicing over 10,000 customers in more than 100 countries. Worldwide headquarters are located in Reading, PA, USA with regional headquarters in Europe and Asia. We complement our extensive line of Motive Power and Energy Systems with a full range of integrated services and systems. With sales and service locations throughout the world, and over 100 years of battery experience, EnerSys is the power/full solution for stored DC power products. 

What We're Offering

  • Paid time off plus paid holidays
  • Medical/dental/vision insurance plan
  • Life insurance, short/long term disability, tuition reimbursement, flex spending, and employee stock purchase plan
  • 401K plan
  • Culture: We value and strive for excellence in all that we do through innovative technology by creating long lasting relationships with our stakeholders, co-workers, and customers. We continually strive to foster teamwork, engagement and enhance our employee's skills and competence by providing appropriate training.

Compensation Range: $117,200 - $146,600 

Compensation may vary based on applicant's work experience, education level, skill set, and/or location.  

Job Purpose

The Application Security Engineer is responsible for strengthening the security of our applications, platforms, and development processes. This position partners with software engineers, DevOps teams, and security professionals to embed security into the full software development lifecycle. Collaborate within an expanding Cybersecurity team, and work closely with internal EnerSys teams to ensure new and continued compliance with cybersecurity frameworks and required programs and initiatives.

Essential Duties and Responsibilities

   Serve as a primary liaison between the Cybersecurity and development teams, ensuring security is integrated into design, development, deployment, and operations.
   Conduct application security assessments, code reviews, API testing, threat modeling, and penetration testing to identify vulnerabilities.
   Define, maintain, and enforce secure coding standards, patterns, and best practices.
   Integrate and manage security tooling within CI/CD pipelines, including SAST, DAST, SCA, IaC scanning, and container security solutions.
   Support secure architecture reviews for cloudnative applications, microservices, and containerized workloads.
   Support threat modeling, risk assessments, and security architecture reviews for applications.
   Ensure that all security practices meet regulatory and compliance requirements.
   Develop and deliver cybersecurity training programs for development teams to promote awareness and adherence to best practices.
   Ensure application security practices align with regulatory and compliance frameworks (e.g., NIST CSF, ISO 27001, IEC 62443).
   Keep up to date on emerging threats, incorporating threat intelligence into security practices and providing proactive defenses.
   Monitor and respond to application security threats, incidents and vulnerabilities.
   Stay up to date on regulatory developments and industry trends.
   Manage and maintain third-party vendor and consultant relationships .
   Perform other duties as assigned.

SUPERVISORY RESPONSIBILITIES: N/A

Qualifications

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. 

Must have an active passport and be willing to travel internationally.

Required Qualifications

  • Bachelor's degree in a technical field (e.g., Computer Science, Information Systems, Cybersecurity).
  • 5+ years of experience in Information Security, with at least 3 years focused on application security, secure development, or DevSecOps.
  • Demonstrated experience building and scaling an application security program, either as the lead or a key contributor.
  • Strong knowledge of OWASP Top 10, OWASP ASVS, SANS Top 25, and secure SDLC methodologies.
  • Hands-on experience with application security testing tools such as Burp Suite, Fortify, Checkmarx, Veracode, and ZAP.
  • Experience conducting threat modeling, penetration testing, secure software development, and secure architecture reviews.
  • Practical experience securing cloud environments (AWS or Azure) and implementing cloud-native security controls.
  • Familiarity with Kubernetes security, container hardening, and runtime protection.
  • Strong communication skills with the ability to collaborate and influence across technical and non-technical teams.

Preferred Qualifications

  • Relevant certifications such as CISSP, CSSLP, OSCP, GWAPT, CEH, or GIAC Cloud Security.
  • Experience securing embedded systems and mobile applications.

Reasoning Ability
   Problem management / resolution skills; project management skills; generally accepted security principles.
   Ability to analyze data, resources, and schedules to make decisions that affect a project on a regular basis.
TRAVEL REQUIRED: Up to 15%

General Job Requirements
  • This position will work in an office setting, expect minimal physical demands.

EnerSys provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.  

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We use artificial intelligence to screen, assess and select applicants for open positions, including for the purposes of reviewing and ranking application materials and scoring answers to application questions. Accordingly, decisions about your application and eligibility for employment with EnerSys may be made based exclusively on the automated processing of the personal information that you submit in your application materials.

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