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Cybersecurity - Standard - Security Engineer Level: Senior

Cook SystemsSan Antonio🇺🇸United StatesPosted Oct 16, 2026

Why This Role Stands Out

This Senior Security Engineer role offers a fantastic opportunity to enhance your expertise in application security, contributing to cutting-edge client solutions within a reputable, veteran-owned IT consulting firm. You'll thrive here if you possess a deep understanding of secure SDLC and application security practices, enjoy collaborating with development teams, and appreciate the flexibility of a hybrid work environment. This position is perfect for experienced professionals eager to grow their skills and make a significant impact.

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
San Antonio, United States
Posted
6 days ago
ComplianceJiraPower BIServiceNowCI/CDGit

Job Description

About Cook Systems

For over 30 years, Cook Systems has partnered with organizations across the country to solve technology challenges and build strong technology teams. As a veteran-owned IT consulting company, we combine decades of industry experience with a continued focus on how technology, AI, and the way people work are evolving.

Our work spans technology consulting, talent development, and AI-enabled solutions. We value people who take ownership, adapt quickly, communicate well, and care about the quality of their work. Whether you’re early in your career or bringing years of experience, you’ll have the opportunity to keep building your skills, contribute to meaningful client work, and grow with a company that continues to evolve with the industry.

Two openings for this job...

Position #1: Senior Application Security Engineer - Policy & Platform

Senior Application Security Engineer to provide technical expertise across the Application Security platform portfolio. The AppSec Engineer will support AppSec tooling, policy implementation, vulnerability analysis, false-positive validation, platform escalations, and developer enablement activities.
Required Qualifications:
Deep understanding of Secure SDLC and Application Security practices
Hands-on experience with SAST, SCA, API Security, DAST, Infrastructure-as-Code (IaC), and Mobile Security testing
Experience administering and supporting AppSec platforms and security tooling
Experience conducting vulnerability validation, root-cause analysis, and false-positive assessments
Experience providing secure coding guidance and remediation support to development teams
Familiarity with GitLab, CI/CD pipelines, DevSecOps practices, and automated security controls
Experience leveraging APIs, automation, and AI-assisted workflows to improve security operations
Certifications such as CSSLP, CISSP, GWAPT, GWEB, or equivalent industry-recognized credentials


Position #2: Senior Application Security Engineer - Governance & Enablement
Position #2 Overview:
Senior Application Security Engineer to support Application Security governance, reporting, program coordination, and cross-functional enablement activities. The AppSec Engineer will also help support and maintain operational execution across the AppSec program.
Required Qualifications:
Experience supporting enterprise Application Security or cybersecurity governance programs
Experience developing security metrics, dashboards, key performance indicators, and executive reporting
Familiarity with vulnerability management, software supply chain security, and Secure SDLC governance
Strong understanding of cybersecurity policies, standards, procedures, and regulatory expectations
Experience coordinating across security, engineering, technology, risk, and compliance organizations
Strong written and verbal communication skills with both technical and executive stakeholders
Experience with reporting and workflow platforms such as Power BI, ServiceNow, Jira, or equivalent tools
Experience leveraging automation and AI capabilities to improve reporting, governance, and operational processes
Certifications such as CISSP, CISM, Security+, or equivalent industry-recognized credentials

Benefits at Cook Systems

We want our employees to have benefits that support their health, financial well-being, and life outside of work. Eligible Cook Systems employees have access to a comprehensive benefits package beginning the first of the month following their hire date, including:

  • Medical coverage through Blue Cross Blue Shield, with two plan options
  • Dental and vision coverage
  • Life, critical illness, and accident insurance through Unum
  • Flexible Spending Account and Dependent Care FSA options through Navia
  • Health Gap Insurance through Sun Life
  • 401(k) retirement plan through The Standard, with eligibility after six months

Beyond benefits, Cook Systems is a place where we expect people to take ownership of their work, communicate openly, continue learning, and contribute to the teams and clients they support.

We have been building technology careers and client partnerships for more than three decades, and we continue to evolve with the industry. If you’re looking for an opportunity to do meaningful work, develop your capabilities, and be part of what comes next in technology, we’d like to hear from you.

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