Application Security Architect

Oceaneering International Inc.; Houston (TX); On-site; USD 130,000 - 190,000; Full time

Job summary

Oceaneering International Inc. is seeking an Application Security Architect to build and operationalize our enterprise AppSec program. The role embeds security into the software development lifecycle, CI/CD pipelines, and developer ecosystem.

You will lead secure coding, threat modeling, and vulnerability management while advancing DevSecOps across teams. The position supports a hybrid work model with occasional Houston office presence.

Qualifications

• Bachelor’s degree in IT, cybersecurity, CS, engineering, or related field, or equivalent experience.
• Minimum 3 years supporting security monitoring, SIEM, or security engineering platforms.
• Minimum 1 year administering Splunk Enterprise.
• Minimum 1 year supporting Cribl or similar log management technologies.
• Minimum 1 year with Syslog architecture and log ingestion technologies.
• Minimum 1 year supporting MDR services or Security Operations Centers.
• Minimum 1 year working with Windows, Linux, network, and cloud log sources.
• Familiarity with OT and ICS environments.
• Splunk Certified Administrator/Architect and OT/ICS experience desirable.

Responsibilities

• Define and govern application security requirements, controls, and assurance activities embedded within the SDLC.
• Partner with SCOE to ensure security is integrated without duplicating ownership of platforms or standards.
• Lead DevSecOps practices to reduce software supply chain risk and enforce secure development standards aligned to Zero Trust.
• Establish and lead an enterprise AppSec governance framework including Secure SDLC and vulnerability management policies.
• Drive adoption of secure coding standards, security testing, and remediation SLAs across teams.
• Architect and implement a secure CI/CD pipeline with embedded SAST, DAST, SCA, secrets scanning, and provenance validation.
• Build a risk-based AppSec roadmap aligned to crown jewel applications and regulatory requirements.

Skills

Security monitoring

SIEM

Security engineering

OT/ICS familiarity

Education

Bachelor’s degree in Information Technology, Cybersecurity, Computer Science, Engineering, or related field

Tools

Splunk Enterprise

Cribl

Syslog ingestion

PowerShell

Python

Job description

Oceaneering is a global provider of engineered services and products, primarily to the offshore energy industry. We develop products and services for use throughout the lifecycle of an offshore oilfield, from drilling to decommissioning. We operate the world's premier fleet of work class ROVs. Additionally, we are a leader in offshore oilfield maintenance services, umbilicals, subsea hardware, and tooling. We also use applied technology expertise to serve the defense, material handling, aerospace, science, and renewable energy industries.
Equal Opportunity Employer: All qualified candidates will receive consideration for all positions without regard to race, color, age, religion, sex (including pregnancy), sexual orientation, gender identity, national origin, veteran status, disability, genetic information, or other non-merit factor.

About the Team

Our regional support functions play a critical role in enabling the success of all Oceaneering business units. These teams include disciplines such as Finance, HR, Recruitment, IT, HSE, Supply Chain, Quality, and Administration. Operating collaboratively across multiple departments and geographic locations, they provide responsive, high‑quality support that ensures our operations run efficiently and safely. Having these teams based locally allow us to make timely decisions, respond quickly to operational needs, and maintain strong alignment with our business units and workforce.

Job Description

The Application Security Architect is responsible for building and operationalizing Oceaneering’s enterprise application security program, embedding security into the software development lifecycle (SDLC), CI/CD pipelines, and developer ecosystem.

• Role provides the opportunity to work in a hybrid environment, working both virtually and in the Houston office when required.

Responsibilities

Functions

Define and govern application security requirements, controls, and assurance activities embedded within that model

Partner with SCOE to ensure security is integrated without duplicating ownership of engineering platforms, tooling, or development standards

Partner with Engineering, the Software Center of Excellence (SCOE), and Cybersecurity leadership to reduce software supply chain risk, implement DevSecOps practices, and enforce secure development standards aligned to Zero Trust principles

Application Security Program Leadership

Establish and lead an enterprise Application Security (AppSec) governance framework, including Secure SDLC and vulnerability management policies

Drive adoption and enforcement of secure coding standards, security testing requirements, and remediation SLAs across all application teams

Build a risk-based AppSec roadmap aligned to business criticality, “crown jewel” applications, and regulatory requirements

• Serve as the central authority for secure software supply chain controls and application risk posture.

Developer Security & Environment Strategy

Design and implement a secure developer program addressing:

Developer workstations vs business PCs

Removal of excessive local admin privileges

Elimination of unmanaged builds and compilers

Lead transformation to secure developer environments, including:

Virtualized or hybrid development models

Centralized build infrastructure

Controlled developer access aligned with Zero Trust

Reduce risk associated with:

Local code storage

Unvetted open‑source dependencies

Architect and implement a secure CI/CD pipeline with embedded controls:

SAST, SCA, DAST integration

Secrets scanning

Artifact integrity and provenance validation

Ensure no production artifacts bypass secure pipelines and all builds are traceable and verified.

Partner with SCOE to standardize DevSecOps tooling and pipeline templates enterprise-wide

Application Security Testing & Validation

Static (SAST), Dynamic (DAST), and Software Composition Analysis (SCA)

Manual and automated penetration testing for critical applications

Expand testing beyond web applications into embedded, ICT, and custom software platforms.

Build structured pen testing program for crown jewel applications, including third‑party partnerships and remediation tracking.

Ensure security validation is embedded in CI/CD gates before production deployment .

Lead implementation of threat modeling capabilities for critical applications to identify design flaws early in SDLC.

Define and enforce secure‑by‑design principles across engineering teams.

Collaborate with architects and engineering to integrate Zero Trust architecture, segmentation, and secure design patterns.

Security Defect Management & Risk Visibility

Implement centralized tooling to:

Aggregate SAST, SCA, DAST, and pen test findings

Provide a single pane of glass for application risk

Drive prioritization and remediation of vulnerabilities based on business risk and technical severity.

Establish KPIs such as:

Mean time to remediate (MTTR)

% of critical vulnerabilities fixed before release

Coverage of testing across applications

Build and lead a role‑based application security training program for developers, architects, and QA

Provide:

Secure coding guidance (language‑specific)

Secure development playbooks and reference architectures

Partner with SCOE to embed security practices into daily developer workflows and pipelines.

Integration with Software Center of Excellence (SCOE)

Expand the SCOE charter to include DevSecOps governance and enforcement.

Drive:

Adoption of enterprise CI/CD standards

Standardized DevSecOps toolchain

Improve visibility and enforcement of security policies across all development teams.

Qualifications

REQUIRED

Bachelor’s degree in Information Technology, Cybersecurity, Computer Science, Engineering, or related field, or equivalent experience.

Minimum 3 years of experience supporting security monitoring, SIEM, or security engineering platforms.

Minimum 1 years’ experience administering Splunk Enterprise.

Minimum 1 years’ experience supporting Cribl or similar log management technologies.

Minimum 1 years’ experience with Syslog architecture and log ingestion technologies.

Minimum 1 years’ experience supporting Managed Detection and Response (MDR) services or Security Operations Centers.

Minimum 1 years’ experience working with Windows, Linux, network, and cloud log sources.

Familiarity with Operational Technology (OT) and Industrial Control System (ICS) environments.

DESIRED

Splunk Certified Administrator or Splunk Certified Architect certification.

Experience with industrial networking and OT/ICS environments.

Experience integrating enterprise logging platforms with MDR providers.

Knowledge of NIST Cybersecurity Framework, IEC 62443, or ISA/IEC industrial security standards.

Experience with scripting and automation using PowerShell, Python, or similar tools.

Familiarity with Microsoft Azure and cloud security monitoring.