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Added 1 min ago
Senior Engineer
Mission Support & Test Services, LLC (MSTS)
North Las Vegas, NV · Mercury, NV
Lead machine shop operations as primary engineer/operator, producing precision components with mills, lathes, EDM, and 3D printing to speed up research timelines.
Added 1 min ago
Senior Engineer, Information Security
Carvana
Tempe, AZ
We’re looking for an experienced Senior Engineer, Information Security to join our internal Security Operations Team. While this team is responsible for monitoring, detecting, and reporting…
Added 1 min ago
SDE II, EC2 Instance Networking, EC2 Nitro
Amazon Development Center U.S., Inc.
Seattle, WA
- 1+ years of software development engineer or related occupational experience
Added 1 min ago
Senior Software Development Engineer, EC2 Instance Networking
Amazon Development Center U.S., Inc.
Seattle, WA
…cloud? Are you excited by the challenge of writing systems software that runs on millions custom networking cards across millions of…
Added 1 min ago
Software Development Engineer III, Efficiency & Performance, Alloy, Region Flex Efficiency
Amazon.com Services LLC
Sunnyvale, CA
As a Software Development Engineer in Alloy, you will collaborate with service and infrastructure teams across Amazon to identify and eliminate performance bottlenecks in large-scale…
Added 3 mins ago
Airworthiness Engineer, Magnum
Anduril Industries
Costa Mesa, CA
Previously held a position as Airworthiness Engineering Lead or Airworthiness Engineer.
Added 3 mins ago
PI
Sr Software Engineer
PayPal, Inc.
Austin, TX
- $130,500 to $193,600 USD / year
As a Sr Software Android Engineer on the Venmo Business Profiles team, you will help build the future of commerce on Venmo. You will design and deliver reliable, intuitive mobile…
Added 3 mins ago
Z
Hardware Software Integration Engineer
Zoox
Foster City, CA
- $138,000 to $222,000 USD / year
Lead and drive debugging of hardware-software issues to closure. Identify and work with key cross-functional partners to root cause and provide resolution
Added 4 mins ago
Senior Infrastructure Engineer
Webflow
Remote, United States
We’re looking for a Senior Infrastructure/SRE Engineer to improve the reliability and stability of the customer-facing production infrastructure behind Webflow’s Convert pillar.
Added 6 mins ago
J
Controls Engineer
Jobot
Odessa, TX
- $90,000 to $125,000 USD / year
We are partnering with an established industrial manufacturing company seeking an experienced Controls Engineer to support plant automation, electrical infrastructure, and manufacturing…
Added 6 mins ago
P
Senior Endpoint Engineer
Procom
Remote, United States
- $110,000 USD / year
Senior Endpoint Engineer: On behalf of our technology client, Procom is searching for a Senior Endpoint Engineer for a permanent role. This position is a remote position and the client is…
Added 7 mins ago
QA Automation Technical Lead
Lehi, UT
…automated testing of Vivint's camera and video-device ecosystem and lead the engineers who build and maintain it. You will partner closely with camera firmware, video platform, cloud,…
Added 8 mins ago
QA Automation Technical Lead
NRG
Lehi, UT
…automated testing of Vivint's camera and video-device ecosystem and lead the engineers who build and maintain it. You will partner closely with camera firmware, video platform, cloud,…
Added 9 mins ago
Systems Engineer II - Integrated Flight Engineering (ONSITE)
RTX Corporation
cedar rapids, IA
The Integrated Flight team is looking for a Systems Engineer II to work within a team of Systems and Software engineers to design, develop, and test software features for flight management…
Added 9 mins ago
F
Imaging Service Engineer I - Minnesota
Fujifilm
Des Moines, IA
- $32.69 to $38.46 USD / hour
An Imaging Service Engineer I is responsible for performing scheduled service work on systems within a service area, and some unscheduled work in the service area with the assistance of…
Added 9 mins ago
Server Engineer - NBA 2K
Visual Concepts
Irvine, CA · CA
We’re seeking a Engineer with a passion for server-side development to join the NBA 2K team! In this role, you’ll take ownership across a broad technical landscape- working in distributed…
Added 9 mins ago
Senior Server Engineer
Visual Concepts
Irvine, CA
We’re seeking a Senior Engineer with a passion for server-side development to join the NBA 2K team! In this role, you’ll take ownership across a broad technical landscape- working in…
Added 9 mins ago
A
Senior Automation Scientist/Engineer - Biologics Engineering
AstraZeneca
Gaithersburg, MD · Gaithersburg
- $124,000 to $171,000 USD / year
We are seeking a Senior Automation Scientist/Engineer to help drive this transformation by embedding laboratory automation and robotics into our workflows and shaping the future of…
Added 12 mins ago
IG
Principal Software Architect
Insight Global
Smyrna, GA
- $140,000 to $240,000 USD / year
- 6+ years as a principal-level software engineer or architect, with the ability to lead technical design and architecture decisions
Added 12 mins ago
Senior Software Engineer - Service Observability & Detection
Apple
Cupertino, CA
…reliable, and secure at massive scale. We are looking for a Senior Software Engineer to join the Service Observability & Detection team within Wallet, Payments, and Commerce (WPC). In this…
Added 13 mins ago
Global Security Manager
Cognition
San Francisco, CA
We're the makers of Devin, the first AI software engineer.
Added 14 mins ago
Solutions Engineer
Knapp Inc
Kennesaw, GA
…handling technology to its state-of-the-art, industry leading software…
Added 14 mins ago
Senior Specialist, Electrical Engineer
L3Harris Technologies
Yorba Linda, CA
As a Sr. Specialist Electrical Engineer, the candidate must have experience with L band RF systems, able to work from customer requirements to derive additional requirements, define the…
Added 14 mins ago
Lead, Software Engineer
L3Harris Technologies
Herndon, VA
EMSS is seeking experienced software engineers to support multiple software product deliveries, system modernization efforts, and future growth initiatives. The candidate will provide…
Added 14 mins ago
Principal Robotics Engineer - R&D
Boston Engineering Corporation
Waltham, MA
…translate customer needs into integrated, verified systems and lead the engineering transition from prototypes to commercial production. Guide mechanical, electrical, controls and software…

Closed listing

TEKsystems

Principal Software Engineer

Irvine, CA, United States

$170,000 to $233,000 USD / year

This opening has closed.

The original listing is kept below for reference.

Find open jobs More jobs with this employer

About employer

Job details

Pay: $170,000 to $233,000 USD / year
Experience: 10+ years of software engineering experience
Posting language: English
Posted: Oct 23, 2026

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Original job description

Archived listing. The details below describe a past opening.

Principal Software Engineer

Location: Plano, TX or Irvine, CA (Onsite)

Type: Full-Time W2

We're looking for a Principal Software Engineer to lead the design and modernization of large-scale enterprise applications while helping drive the adoption of AI-assisted and agentic software engineering.This is a hands-on technical leadership role for someone who enjoys solving complex architectural challenges, building modern cloud-based solutions, and influencing how software is delivered across an organization.What You'll Do

Design and build enterprise applications, APIs, integrations, and distributed systems
Lead development using C#, .NET, SQL Server, Azure, and modern web technologies
Drive modernization of legacy applications and platforms
Define engineering standards, architectural patterns, and best practices
Partner with engineering, DevOps, security, and platform teams
Leverage AI coding assistants and agentic development tools to improve software delivery
Mentor engineers and provide technical leadership across multiple teams

What We're Looking For

10+ years of software engineering experience
Deep expertise in C#/.NET
Strong experience with SQL Server and T-SQL
Experience designing APIs, integrations, and distributed systems
Strong Azure cloud experience
Knowledge of messaging, caching, resiliency, concurrency, and asynchronous processing
Software architecture and design pattern expertise
Experience with AI coding assistants, agentic development platforms, or AI-enabled engineering practices

Nice to Have

Python, JavaScript, or TypeScript experience
Experience modernizing large-scale enterprise applications
Prior experience as a Principal Engineer, Staff Engineer, or Architect
Experience in a regulated industry

Why Apply?

Influence enterprise technology strategy
Lead AI-assisted and agentic engineering initiatives
Work on large-scale modernization efforts
Partner with highly talented engineering teams
Competitive compensation and career growth opportunities

If you're passionate about enterprise-scale engineering and excited about the future of AI-powered software development, we'd love to connect.

This posting is for an existing vacancy.

Job Type & Location

This is a Permanent position based out of Irvine, CA.

Pay and Benefits

The pay range for this position is $170000.00 - $233000.00/yr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Extensive internal growth and professional development opportunities including tuition reimbursement. · Comprehensive benefits package including Medical/Dental/Vision. · Wellness program to support both mental and physical health. · Generous paid time off options to support work-life balance.

Job Type & Location

This is a Permanent position based out of Irvine, CA.

Application Deadline

This position is anticipated to close on Nov 6, 2026.

Workplace Type

This is a fully onsite position in Irvine,CA.

About TEKsystems

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

Were a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. Were a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. Were strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. Were building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.

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