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Senior C# Developer Jobs (NOW HIRING)

Cymertek

C / C++ / Java Software Developer

Chantilly, VA · On-site

$50.75 - $68.25/hr

C / C++ / Java Software Developer LOCATIONChantilly, VA 20151 CLEARANCETS/SCI Full Poly (Please ... Developer, Senior Software Developer, Software Architect, etc. DEGREE (Level Desired)Bachelor ...

Cymertek

C / C++ / Java Software Developer

Tysons, VA · On-site

$49.25 - $66.25/hr

C / C++ / Java Software Developer LOCATIONTysons, VA 22182 CLEARANCETS/SCI Full Poly (Please note ... Developer, Senior Software Developer, Software Architect, etc. DEGREE (Level Desired)Bachelor ...

Lockheed Martin

Software Engineer Sr C/C++

Manassas, VA · On-site

$122K - $161K/yr

The Work Lockheed Martin Rotary and Mission Systems is seeking a Software Engineer C/C++ Sr. in Manassas, VA. In this role you will have the responsibility of: Participate in a crossfunctional team ...

Cymertek

C / C++ / Java Software Developer

Reston, VA · On-site

$51 - $68.75/hr

C / C++ / Java Software Developer LOCATIONReston, VA 20190 CLEARANCETS/SCI Full Poly (Please note ... Developer, Senior Software Developer, Software Architect, etc. DEGREE (Level Desired)Bachelor ...

Cymertek

C / C++ / Java Software Developer

San Antonio, TX · On-site

$44.50 - $60/hr

C / C++ / Java Software Developer LOCATIONSan Antonio, TX 78208 CLEARANCETS/SCI Full Poly (Please ... Developer, Senior Software Developer, Software Architect, etc. DEGREE (Level Desired)Bachelor ...

Cymertek

C / C++ / Java Software Developer

Honolulu, HI · On-site

$48.50 - $65.25/hr

C / C++ / Java Software Developer LOCATIONHonolulu, HI 96815 CLEARANCETS/SCI Full Poly (Please note ... Developer, Senior Software Developer, Software Architect, etc. DEGREE (Level Desired)Bachelor ...

Cymertek

C / C++ / Java Software Developer

Aurora, CO · On-site

$50 - $67.25/hr

C / C++ / Java Software Developer LOCATIONAurora, CO 80014 CLEARANCETS/SCI Full Poly (Please note ... Developer, Senior Software Developer, Software Architect, etc. DEGREE (Level Desired)Bachelor ...

AtkinsRéalis

Sr. I&C Engineer

Bothell, WA · On-site

We are seeking a Sr. I&C Engineer to join our team in Bothell, WA. Our Engineering group in Bothell, WA USA is looking for a full-time experienced Senior Instrumentation and Controls (I&C) Engineer ...

Mentor Technical Group

Sr. C&Q Specialist

Juncos, PR · On-site

As a world leader in life science engineering and technical solutions, MTG has the knowledge and ... Collaborate with C&Q Engineers to develop and maintain commissioning and qualification procedures ...

Mentor Technical Group

Sr. C&Q Specialist

Juncos, PR · On-site

MTG is recognized for its expertise in life sciences engineering, ensuring compliance with ... Support Commissioning and Qualification (C&Q) activities for plants and equipment. * Develop ...

CEDENT

Senior C/C++ Linux Engineer

Philadelphia, PA

$123K - $163K/yr

Design, develop, and maintain real-time, fault-tolerant C/C++ applications on Linux platforms ... Expertise in event-driven programming and development of Linux desktop applications * Experience ...

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How much do senior c# developer jobs pay per hour?

As of Jun 9, 2026, the average hourly pay for senior c# developer in the United States is $61.73, according to ZipRecruiter salary data. Most workers in this role earn between $52.40 and $69.23 per hour, depending on experience, location, and employer.

What are some typical responsibilities and projects for a Senior C# Developer on a software development team?

Senior C# Developers are often responsible for designing, coding, and maintaining complex software applications while participating in architectural decisions and code reviews. They mentor junior developers, contribute to project planning, and collaborate closely with QA engineers, UI/UX designers, and product managers to deliver high-quality features and enhancements. Common projects may include developing RESTful APIs, integrating third-party services, optimizing application performance, and transitioning legacy systems to modern architectures. You can expect a balance of hands-on coding, technical leadership, and coordinating with various stakeholders to align software solutions with business needs.

What is a Senior C# Developer job?

A Senior C# Developer is an experienced software engineer who specializes in developing applications using the C# programming language within the .NET framework. They design, develop, and maintain complex software solutions while guiding junior developers and ensuring best coding practices. Responsibilities often include system architecture, performance optimization, and troubleshooting issues. Strong knowledge of object-oriented programming, databases, and cloud technologies is essential. Typically, they collaborate with cross-functional teams to deliver high-quality software solutions efficiently.

What are the key skills and qualifications needed to thrive in the Senior C# Developer position, and why are they important?

To thrive as a Senior C# Developer, you need advanced proficiency in C# and the .NET framework, strong problem-solving skills, and experience with software design patterns, typically backed by a bachelor's degree in computer science or related field. Familiarity with tools such as Visual Studio, source control systems like Git, and technologies such as SQL Server and cloud platforms is highly valued, as are certifications like Microsoft Certified: Azure Developer Associate. Excellent communication, mentorship, and teamwork abilities set outstanding candidates apart in this role. These skills and qualities are essential to deliver robust software solutions, guide junior developers, and collaborate effectively in dynamic development environments.

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What are the most commonly searched types of C# Developer jobs? The most popular types of C# Developer jobs are:
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Senior C Developer jobs near you
Infographic showing various Senior C# Developer job openings in the United States as of May 2026, with employment types broken down into 2% As Needed, 48% Full Time, 42% Part Time, and 8% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $128,400 per year, or $61.7 per hour.
Senior C&Q Validation Engineer - GMP Analytical & Process Equipment- (JP15147)

Senior C&Q Validation Engineer - GMP Analytical & Process Equipment- (JP15147)

3 Key Consulting

Thousand Oaks, CA • Hybrid

$60 - $65/hr

Other

Posted 9 days ago

Job description

Job Title: Senior C&Q Validation Engineer - GMP Analytical & Process Equipment- (JP15147)
Location: Thousand Oaks, CA. 91320 (Hybrid)
Employment Type: Contract
Business Unit: Engineering Systems
Duration: 1+ year (with likely extensions and/or conversion to permanent)
Posting Date: 03/31/26
Pay Rate: $60 - $65/hour W2
Notes: Only qualified candidates need apply. On site at least 3 days weekly 8-5
3 Key Consulting is hiring a Senior C&Q Validation Engineer - GMP Analytical & Process Equipment for a consulting engagement with our direct client, a leading global biopharmaceutical company.
Job Description:
Primarily responsible for leading and/or executing commissioning and qualification activities on new or modified GMP analytical and process equipment, utilities, and facilities. Responsibilities include generating/reviewing/executing C&Q protocols, plans, and summary reports. Works with project teams and SMEs to develop testing strategies. Participates in project meetings to inform stakeholders on progress of C&Q activities. Key skills include:
  • Demonstrable experience in a pharmaceutical, biotech, or life science organization in a C&Q/CQV role.
  • Knowledge of cGMP commissioning/qualification/validation practices.
  • Familiarity with Kneat Gx Platform or other digital C&Q systems.
  • Experience working with cross-functional stakeholders.
  • Knowledge of quality assurance principles.
  • Experience working within project teams and multiple projects in parallel.
  • Effective communication skills, both verbal and written.
  • Able to think analytically with the ability to resolve issues.
  • Able to manage own time efficiently.

Why is the Position Open?
Supplement additional workload on team
Top Must Have Skills:
  • Experience in commissioning/qualification/validation
  • Experience in a GMP environment
  • Experience with analytical instruments (Benchtop laboratory equipment)

Day to Day Responsibilities:
  • Plan and track implementation of commissioning & qualification actions/documentation versus project(s) timelines.
  • Work with project teams to develop the commissioning and qualification strategy and document in qualification plans.
  • Generate/evaluate qualification/validation protocols including IQ, OQ, FT, PQ protocols and final reports for new or modified GMP analytical and process equipment, utilities, and facilities.
  • Execute IQ, OQ, FT, PQ protocols, which may involve protocol discrepancies, investigation, and corrective action activities for new or modified GMP analytical and process equipment, utilities, and facilities.
  • Ensure that Qualification/Validation plans are generated and updated for all ongoing projects.
  • Prepare, evaluate and approve technical and GMP linked documentation such as URS, FMEA, impact/risk assessment, master plans, qualification/validation documentation.
  • Develop and/or execute FAT/SAT and other commissioning activities for new GMP systems in collaboration with both internal and external partners.

Basic Qualifications:
Doctorate degree OR Masters degree and 2 years of experience OR Bachelors degree and 4 years of experience OR Associates degree and 8 years of experience OR High school diploma / GED and 10 years of experience
Red Flags:
Short tenures at previous jobs (-2 years), not local and not willing to relocate
Interview process:
1 video conference interview (Teams), potential follow-up interview
We invite qualified candidates to sendyour resume toresumes@3keyconsulting.com. Ifyou decide that you're not interested in pursuing this particular position, please feel free to take a look at the other positions on our websitewww.3keyconsulting.com/careers. You are also welcome to sharethis opportunity withanyone you think might be interested in applying for this role.

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