Principal Engineer Jobs in Oklahoma.
All active Principal Engineer roles based in Oklahoma.
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Principal Sales Engineer
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About Zscaler
Zscaler accelerates digital transformation to ensure our customers can be more agile, efficient, resilient, and secure. As an AI-forward enterprise, we are constantly pushing the envelope, leveraging the world’s largest security data lake to power our cloud-native Zero Trust Exchange platform. This innovation protects our customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location.
Here, impact in your role matters more than title and trust is built on results. We say, impact over activity. We seek innovators who actively use AI to amplify their impact and who thrive in an environment where we leverage intelligent systems to stay ahead of evolving threats. We believe in transparency and value constructive, honest debate—we’re focused on getting to the best ideas, faster. We build high-performing teams that can make an impact quickly and with high quality. To do this, we are building a culture of execution centered on customer obsession, collaboration, ownership, and accountability.
We value high-impact, high-accountability with a sense of urgency where you’re enabled to do your best work and embrace your potential. If you’re driven by purpose, thrive on solving complex challenges, and want to be part of the team that’s helping to secure the AI age, we invite you to bring your talents to Zscaler and help shape the future of cybersecurity.
Role
We are looking for a Principal Sales Engineer to join our team located in the South. This role will report to the Director of Sales Engineering for the Americas Field Sales team.
You will be responsible for architecting technical solutions that directly address and resolve critical customer pain points.
What you’ll do (Role Expectations)
- Overseeing the technical sales process
- Running Proof of Value from start to finish, as the technical and industry expert
- Collaborating and supporting internal Zscaler teams
Who You Are (Success Profile)
- You act like an owner. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. You adapt to what’s needed, navigating seamlessly between high-level strategy and hands-on execution.
- You are a problem-solver. You seek out challenges because you are energized by finding solutions, knowing that solving the hard problems delivers the biggest impact.
- You are customer-obsessed. You build deep empathy for the customer—both internal and external—and anchor your decisions in solving their real-world problems. You champion their needs from start to finish, knowing their success is our success.
- You champion simplicity. You are skilled at distilling complex problems, user needs, and technical concepts into clear, simple, and actionable plans. You are a precise communicator who brings clarity and focus to every interaction.
- You are resilient and adaptable. You view change as an opportunity and setbacks as temporary. You maintain composure and focus in high-pressure situations, guiding yourself and your team through complexity with a steady, positive hand.
What We’re Looking for (Minimum Qualifications)
- Bachelor's Degree or equivalent experience
- 10+ years of experience as a Sales Engineer or Systems integrator
- Knowledge of network security technologies
What Will Make You Stand Out (Preferred Qualifications)
- Industry certifications including CCNP, JNCIP, PCNSA, CISSP, or CCSP
- Experience working with large enterprise and major accounts
#LI-Remote
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Zscaler’s salary ranges are benchmarked and are determined by role and level. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position across all US locations and could be higher or lower based on a multitude of factors, including job-related skills, experience, and relevant education or training.
The base salary range listed for this full-time position excludes commission/ bonus/ equity (if applicable) + benefits.
At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure.
Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including:
- Various health plans
- Time off plans for vacation and sick time
- Parental leave options
- Retirement options
- Education reimbursement
- In-office perks, and more!
Learn more about Zscaler’s Future of Work strategy, hybrid working model, and benefits here.
By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines.
Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link.
Pay Transparency
Zscaler complies with all applicable federal, state, and local pay transparency rules.
Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.
Ready to apply?
Apply to Zscaler
R&D Electrcial Engineer
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We’re ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more.
As part of the global ALTEN Group—57,000+ engineers in 30 countries—we deliver across the entire product development cycle, from consulting to full project outsourcing.
When you join ALTEN Technology USA, you’ll collaborate on some of the world’s toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow.
Responsibilities:
- Develop high accuracy, low noise and low power analog electronics for use in natural gas flow measurement using differential pressure sensor
- Design, analyze and evaluate systems, products or components, requiring a high degree of technical expertise
- Design and develop complex models or simulations and apply advanced computer programs, analytical techniques or control strategies to effectively meet requirements and resolve problems
- Act as principal investigator or lead a group of engineers investigating problems, developing solutions and preparing related recommendations and reports
- Conduct economic studies and prepare or lead the preparation of specifications, proposals for contracts licensing and safety documents and obtain required approvals
- Represent the group in meetings and conferences; interact with customers to resolve significant technical issues and develop related action plans
- Development of natural gas flow measurement analog and digital hardware boards/solutions from inception through to production release/sustaining
- Research, investigate and define new areas of technology to enhance existing products or to provide new product direction
- Re-evaluate and tune the design and implementation of current products
- Work closely with firmware developers during development and post production stage
- Interface with component suppliers to evaluate components and vendor strategy
- Involved in multiple projects running concurrently
Education and Experience:
- Bachelors Degree preferred in an engineering or related field
- Minimum 6 years of experience; alternatively, a special combination of education and experience and/or demonstrated accomplishments
Qualifications:
- Embedded hardware development experience with microcontroller design and development
- Hardware design from concept through to production including component selection, test, prototype build and debug, regulatory and certification approvals, production integration and ongoing support
- Hands on hardware development experience: analog and digital and electromechanical devices
- Knowledge on EMI/EMC compliance and should be able to perform testing independently .
- Familiar with hazardous area certification for oil field is plus.
- Experience in low power electronics design, less than 1 watt is preferred.
- Experience in designed for FMEA.
- Bring up his own microcontroller designs by coding and testing.
- Experience in OrCAD schematic capture and Cadence/Allegro PCB layout.
- Experience in creating output job files and fully documented PCBA release package including, schematics, PCB Gerber, BOMs, test procedures, special build instructions.
- Experience on Gate model/SCRUM environment and hold formal reviews including concept, design, FMEA, EMC, functional test would be preferred.
- Familiarity with Flow Computers and Gas Chromatographs a plus
- Experience working closely with multi functional team (production, production test, customer support, supply chain)
- Excellent written and verbal communication skills with ability to produce clear and concise technical documentation
Location: on-site in Bartlesville, OK
ALTEN Technology is an Equal Opportunity Employer. Our Policy is to extend opportunities to qualified applicants and employees on an equal basis regardless of an individual’s age, race, color, sex, religion, national origin, disability, sexual orientation, gender identity/expression or veteran status.
Please beware of job seeker scams and see this important notice on our careers page for more information about our recruiting process.
Compliance Notice: Alten USA is a federal contractor subject to the requirements of the Vietnam Era Veterans’ Readjustment Assistance Act (VEVRAA) and Executive Order 11246. We are an Equal Opportunity Employer and consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.
Drug Screening Requirement: As a federal contractor, Alten USA maintains a drug-free workplace. All candidates selected for employment will be required to successfully complete a pre-employment drug screening as a condition of hire.
Ready to apply?
Apply to ALTEN Technology USA