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Senior Investigator Jobs in Renton, WA (NOW HIRING)

Umoja Biopharma

Senior Medical Director

Seattle, WA

$270K - $333K/yr

Lead preparation of clinical protocols, investigator brochures, clinical sections of regulatory ... Senior Director Level: MD, MD/PhD, or equivalent medical degree. Board certification in Oncology ...

SpaceX

Sr. Platform Integrity Analyst (Starlink)

Redmond, WA · On-site

$120K - $175K/yr

We are looking for an experienced Sr. Platform Integrity Analyst, known internally as Sr. Customer ... React to investigate potential issues such as scams, fraud, and illicit goods/activities * Partner ...

Pendergast Law

Be Seen First

SENIOR MANAGER, FINANCE & ACCOUNTING

Renton, WA · On-site

$125K - $150K/yr

The Senior Manager must be equally comfortable presenting a forecast to leadership and working ... Maintain the chart of accounts and supporting schedules; investigate discrepancies, correct entries ...

Pendergast Law

Be Seen First

SENIOR MANAGER, FINANCE & ACCOUNTING

Renton, WA · On-site

$125K - $150K/yr

The Senior Manager must be equally comfortable presenting a forecast to leadership and working ... Maintain the chart of accounts and supporting schedules; investigate discrepancies, correct entries ...

Umoja Biopharma

Senior Medical Director

Seattle, WA

$270K - $333K/yr

Lead preparation of clinical protocols, investigator brochures, clinical sections of regulatory ... Senior Director Level: MD, MD/PhD, or equivalent medical degree. Board certification in Oncology ...

Umoja Biopharma

Senior Medical Director

Seattle, WA · On-site

$270K - $333K/yr

Lead preparation of clinical protocols, investigator brochures, clinical sections of regulatory ... Senior Director Level: MD, MD/PhD, or equivalent medical degree. Board certification in Oncology ...

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Showing results 21-40

All JobsInvestigator JobsSenior Investigator JobsSenior Investigator Jobs in Renton, WA

Senior Investigator information

See Renton, WA salary details

$32.1K

$86.2K

$154.7K

How much do senior investigator jobs pay per year?

As of Aug 12, 2026, the average yearly pay for senior investigator in Renton, WA is $86,169.00, according to ZipRecruiter salary data. Most workers in this role earn between $56,200.00 and $110,800.00 per year, depending on experience, location, and employer.

What is the difference between Senior Investigator vs Investigator?

AspectSenior InvestigatorInvestigator
Required CredentialsTypically requires a bachelor's degree, relevant certifications, and several years of experienceUsually requires a bachelor's degree, entry-level certifications, and less experience
Work EnvironmentLeads investigations, supervises junior staff, and handles complex casesConducts investigations under supervision, handles routine cases
Employer & Industry UsageUsed in law enforcement, insurance, and corporate investigationsCommon in law enforcement, private investigation firms, and regulatory agencies

The main difference between a Senior Investigator and an Investigator lies in experience, responsibilities, and leadership roles. Senior Investigators typically have more experience, handle complex cases, and supervise others, whereas Investigators focus on routine investigations under supervision. Both roles are essential in investigative fields, but the senior position involves greater expertise and leadership.

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

To thrive as a Senior Investigator, you need expertise in investigative techniques, analytical thinking, and a background in law enforcement or a related field, often supported by a relevant degree or certifications. Familiarity with case management systems, digital forensics tools, and legal research databases is typically required. Exceptional attention to detail, strong communication, and the ability to maintain confidentiality set top performers apart. These skills ensure thorough investigations, accurate reporting, and effective resolution of complex cases.

What does a senior investigator do?

A senior investigator manages investigations for various crimes including fraud, corruption, and organized crime. As a senior investigator, you work for the district attorney, and your primary responsibilities revolve around collaborating with law enforcement to take on these crime issues. You may have additional duties, such as interviewing witnesses and filing evidence and reports as required by the district attorney. Excellent communication skills are imperative as you’ll encounter a variety of different people on the job. While qualifications vary by state, you likely need an associate’s degree, and at least a year of experience as an investigator with the D.A. Your employer will conduct a criminal background check.

What is a senior investigator?

A Senior Investigator is an experienced professional responsible for leading and managing complex investigations, often within law enforcement, corporate, or regulatory settings. Their duties typically include gathering and analyzing evidence, interviewing witnesses, compiling reports, and providing expert testimony. Senior Investigators often supervise junior staff, ensure compliance with legal procedures, and may specialize in areas such as fraud, criminal, or internal investigations. Their extensive experience enables them to handle high-profile or sensitive cases. This role requires strong analytical, communication, and leadership skills.

What are some common challenges senior investigators face when managing complex cases, and how can they effectively address them?

Senior Investigators frequently encounter challenges such as coordinating multidisciplinary teams, handling sensitive information, and navigating regulatory or legal constraints. Successfully addressing these issues requires strong leadership, clear communication, and meticulous documentation. Senior Investigators often rely on advanced investigative techniques and foster collaboration with legal, compliance, and technical experts to ensure thorough, compliant case resolution. Staying current with industry best practices and maintaining professional integrity are essential for overcoming these obstacles.
More about Senior Investigator jobs
What are the most commonly searched types of Investigator jobs in Renton, WA? The most popular types of Investigator jobs in Renton, WA are:
What job categories do people searching Senior Investigator jobs in Renton, WA look for? The top searched job categories for Senior Investigator jobs in Renton, WA are:
What cities near Renton, WA are hiring for Senior Investigator jobs? Cities near Renton, WA with the most Senior Investigator job openings:
Senior Investigator jobs near you
Infographic showing various Senior Investigator job openings in Renton, WA as of August 2026, with employment types broken down into 89% Full Time, 10% Part Time, and 1% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $86,169 per year, or $41.4 per hour.

Senior Environmental Remediation Professional

Wood Plc

Seattle, WA • On-site, Remote

Full-time

Re-posted 16 days ago

Job description

Overview / Responsibilities

Wood is seeking a Senior Level Environmental Remediation Professional (Geologist, Hydrogeologist, Scientist or Engineer) with a minimum of 10 years of experience to join our Northwest environmental investigation and remediation consulting team. The ideal candidate for this role will have a business development background, strong government or private sector client relationships, be motivated to grow and develop a thriving remediation and EHS consulting practice in a collegial, team-oriented environment, and possess knowledge and technical skills in site investigation and remediation under Federal and State (Oregon, Washington, Alaska and Idaho) regulations. This position will preferably be located anywhere in the Puget Sound region, with flexible work location including work from home options. It is expected that this position will be filled at an Associate, Senior Associate or Principal level, and would be required to work effectively with the rest of the NW leadership team.

The Wood Northwest Operation is a multi-disciplinary science and engineering organization that offers the opportunity to work on technically challenging projects for a wide range of clients locally and throughout the US. We are a close-knit team of dedicated professionals working to find solutions for our diverse customer base. Our team of knowledgeable and skilled engineers, geoscientists, chemists, data visualization specialists deliver high quality and technical excellence on complex and diverse local projects, while benefiting from the structure, resources, and opportunities of a large international organization, and we are looking to grow our team in supporting our current workload as well as advancement of our 2022 strategic plan and vision.

Key Responsibilities 

  • Consult for federal, municipal, commercial and industrial environmental investigation and remediation projects
  • Manage complex site investigation and remediation projects
  • Provide leadership to environmental science engineering staff
  • Work with project managers and other project staff locally and nationally to support environmental investigation and restoration projects
  • Lead and support engineering design and remedial construction work 
  • Ensure a high level of quality, effectiveness, and efficiency in our work to achieve client and company goals
  • Active participation in business development and proposal efforts
  • Participate in companywide initiatives and work groups
Skills / Qualifications
  • B.S. in engineering, geology, environmental science, or related field required
  • 10+ years experience in environmental site investigation and remediation in a consulting environmental
  • Professional registration in Oregon or Washington is preferred, along with other professional certifications for disciplines other that engineering or geology
  • Active participation in professional and business organizations and other business development and sales activities
  • Excellent verbal and written communication skills
  • Strong orientation to working in a collaborative, multidisciplinary, team oriented environmental
  • Strong project and financial management skills
  • Ability to work efficiently and demonstrate effective organizational skills
  • Flexible to work outside of business hours, when necessary
  • Proficiency with standard Microsoft Office applications and computer use
  • Must pass drug test, background check and must have a satisfactory driving record in accordance with the company's driving (MVR) policy
Company Overview

Wood is a global leader in engineering and consultancy across energy and the built environment, helping to unlock solutions to some of the world's most critical challenges. We provide consulting, projects and operations solutions in more than 60 countries, employing around 40,000 people. www.woodplc.com

Diversity Statement

We are an equal opportunity employer that recognises the value of a diverse workforce. All suitably qualified applicants will receive consideration for employment on the basis of objective criteria and without regard to the following (which is a non-exhaustive list): race, colour, age, religion, gender, national origin, disability, sexual orientation, gender identity, protected veteran status, or other characteristics in accordance with the relevant governing laws.

Employment Type: OTHER

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