Application Security Engineer

ServiceLink

. Develop security documentation, training, and guidance for internal infrastructure and engineering teams .

Posted 10/28/2026full-timePlano • Texas • United StatesMid-LevelSenior💰 $90,000 - $110,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in security documentation, vulnerability assessment, and penetration testing while applying risk-based judgment to prioritize remediation efforts. Proficient in coding, cloud infrastructure, and container technologies to enhance security controls and processes.

Highest-signal resume keywords

Penetration TestingVulnerability AssessmentC# ProgrammingCloud ComputingSecurity Certification

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Vulnerability ResearchThreat ModelingSecurity DocumentationSecurity Control ImplementationInfrastructure HardeningCoding SkillsContinuous IntegrationContinuous DeliveryContainer SecurityNetworking Protocols

Soft Skills

CollaborationCommunicationProblem-SolvingLeadershipChampioning Security Culture

Tools & Technologies

.NET CoreDockerKubernetesHelmMicrosoft Azure

Certifications & Qualifications

OSCPOSEE

Industry Keywords

Security DefectsCloud-Based InfrastructureSecurity ControlsRisk-Based JudgmentEmerging Threats

Tech Stack

Tools & technologies

AzureCloudDockerKubernetesPythonSQL.NET

About the role

Key responsibilities & impact

Develop security documentation, training, and guidance for internal infrastructure and engineering teams
Consult with internal teams on architecture, threat modeling, and system/infrastructure reviews
Identify vulnerabilities and architectural weaknesses, recommend mitigations, and drive implementation
Perform penetration testing on target systems
Conduct vulnerability research and analysis into emerging threats
Perform proactive security research on technologies used by the company
Identify and implement security technical and process improvements
Define and own metrics for measuring security-control effectiveness
Apply comprehensive hardening to infrastructure platforms, deployment code, and images
Architect, build, automate, and operate security controls, tools, and review capabilities
Detect vulnerabilities across applications and services
Champion security culture and excellence
Apply risk-based judgment and prioritize remediation work
Perform other duties as assigned

Requirements

What you’ll need

Bachelor of Science in Computer Science, Mathematics, Engineering or equivalent experience or education
5+ years of experience in a hands-on security role with demonstrated mastery of multiple classes of security defects
Demonstrated coding skills in one or more popular languages and platforms, including C#, SQL, Python, and others
Experience with the .NET Core framework
Understanding of cloud computing platforms and cloud-based infrastructure design and operation
Understanding of container technologies, security, and tooling such as Docker, Kubernetes, and Helm
Understanding of networking, routing, and web-related protocols
Must be located within reasonable commuting distance of the Plano, TX office
Must be willing to work in-office at least 3 days per week
Must be currently authorized to work in the United States on a full-time basis
Must not require employment visa sponsorship now or in the future
Preferred: Experience with Microsoft Azure
Preferred: Experience with container security platforms
Preferred: Continuous integration and delivery tooling (CI/CD)
Current security certification such as OSCP or OSEE is a plus

Benefits

Comp & perks

Health insurance
Vision insurance
Dental insurance
Life insurance
401(k) plans
Employee Stock Purchase Plan
Paid vacation time
Paid sick time
Career development and advancement support
Hybrid work arrangement
Less than 25% travel