Senior Application Security Engineer

*Senior** Application Security Engineer* *6-Month Contract-to-Hire (W2) | TEKsystems*
*Location: Plano, TX (Onsite with potential hybrid flexibility)*
*Top Skills*
* *Application Security + AI Integration:* Experience embedding security into AI-assisted development and threat modeling workflows
* *Platform Engineering / Data Pipelines:* Strong backend and pipeline integration experience
* *Advisory & Collaboration:* Ability to partner with developers to drive remediation, reduce risk, and improve secure coding practices
*Overview* TEKsystems is seeking a *Senior** Application Security Engineer* to join a rapidly growing engineering environment focused on modernizing software development through AI-driven workflows. This role sits at the intersection of *application security, platform engineering, and AI-assisted development*, helping ensure secure and scalable delivery without slowing down innovation.
You will work closely with application, data, and platform engineering teams to integrate security directly into development pipelines and processes.
*What You'll Be Doing*
* Partner with engineering teams to build and secure modern application platforms
* Embed security into *AI-assisted software development workflows*
* Perform *hands-on threat modeling* using practical, modern approaches
* Review code (GitHub PRs) from a *security and risk perspective*
* Integrate and optimize *security scanning and vulnerability detection tools*
* Implement *risk-based security gates* within CI/CD pipelines
* Participate in *architecture discussions, sprint planning, and security reviews*
* Evaluate and integrate security tools into *development and AI pipelines*
*Required Qualifications*
* Strong experience with *CI/CD pipelines and security integration*
* Hands-on experience with *AI-assisted development tools* (e.g., agents, code generation)
* Experience with *GitHub*, including PR reviews and workflow integration
* Practical experience in *application security and threat modeling*
* Ability to clearly articulate *security risks, impact, and remediation strategies*
* Experience integrating *security scanning tools into development pipelines*
* Strong understanding of *risk-based security controls and enforcement*
*Preferred Qualifications*
* Experience integrating security into *AI/ML pipelines*
* Strong collaboration skills with a focus on *developer enablement and empathy*
* Ability to balance *security rigor with engineering velocity*
*Why Join This Opportunity*
* Be part of a *brand-new engineering team* focused on cutting-edge technology
* Work at the forefront of *AI-driven development and application security*
* Help shape how security is embedded into next-generation software delivery
* Opportunity to convert to a *full-time role* after the contract period
*Work Environment*
* Primary location: *Plano, TX (onsite)*
* Potential for *hybrid flexibility* after onboarding
* Highly collaborative environment with direct access to engineering teams
*Employment Type*
* *6-month contract-to-hire (W2 through TEKsystems)*
*Job Type & Location*This is a Contract to Hire position based out of Plano, Texas.
*Pay and Benefits*The pay range for this position is $65.00 - $75.00/hr.
Eligibility requirements apply to some benefits and may depend on your job
classification and length of employment. Benefits are subject to change and may be
subject to specific elections, plan, or program terms. If eligible, the benefits
available for this temporary role may include the following:

* Medical, dental & vision


* Critical Illness, Accident, and Hospital


* 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available


* Life Insurance (Voluntary Life & AD&D for the employee and dependents)


* Short and long-term disability


* Health Spending Account (HSA)


* Transportation benefits


* Employee Assistance Program


* Time Off/Leave (PTO, Vacation or Sick Leave)
*Workplace Type*This is a fully onsite position in Plano,Texas.
*Application Deadline*This position is anticipated to close on Jul 7, 2026.

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


We're 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. We're 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. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're 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.