Sr. Security Application Architect

Software Guidance & Assistance, Inc., (SGA), is searching for an Sr. Application Security Architect for a Contract assignment with one of our premier Regulatory clients in Tysons, VA

The Senior Application Security Architect is responsible for designing, implementing, and overseeing enterprise-wide application security architecture and standards. This role focuses on establishing security frameworks, conducting architecture reviews, developing security baselines, and leading strategic security initiatives that have broad impact across the organization. The position requires a blend of technical expertise, architectural thinking, and leadership to embed security throughout the software development lifecycle. We are looking for a versatile resource who can handle multiple tasks at the same time and have great attitude.

Job Responsibilities:

Design and establish enterprise application security architecture frameworks and reference models aligned with business objectives and risk tolerance

Lead architecture reviews of applications and systems to identify security gaps and recommend appropriate controls

Develop and maintain security baselines, standards, and patterns for different technology stacks (web, mobile, API, microservices) and deployment models

Create and evolve threat modeling methodologies (STRIDE, PASTA, OCTAVE) and facilitate threat modeling sessions with development teams

Define secure coding standards and security requirements for different application types based on data classification and risk profile

Architect security solutions for authentication, authorization, encryption, and secure communication channels

Establish security guardrails for cloud-native applications, serverless architectures, and infrastructure-as-code implementations

Design and implement API security strategies including OAuth/OIDC flows, API gateways, and rate limiting

Integrate security architecture principles into CI/CD pipelines to support DevSecOps initiatives

Evaluate and recommend security tools and technologies for the enterprise security tech stack

Develop security architecture roadmaps and guide implementation of security capabilities

Partner with development teams to design secure solutions that balance security requirements with business needs

Lead strategic security initiatives with enterprise-wide impact

Leverage GenAI technologies to enhance security architecture reviews and automate security analysis

Maintain documentation of security architecture decisions, patterns, and reference implementations

Develop and deliver security architecture training to raise security awareness among developers and architects

Stay current with emerging security threats, technologies, and architectural approaches

Perform security design reviews for new applications and major changes to existing applications

Architect secure data handling practices including encryption at rest and in transit

Qualifications:

Bachelor's degree in Computer Science, Information Security, or related technical field required

5+ years of experience in application security, with at least 2 years in security architecture roles

Deep knowledge of secure design principles, threat modeling methodologies, and security patterns

Experience designing security controls for cloud environments (AWS, Azure, Google Cloud Platform)

Proficiency in evaluating and implementing application security tools (SAST, DAST, IAST, SCA)

Hands-on experience with security testing tools such as Burp Suite, OWASP ZAP, and other proxy tools

Experience with secure software development practices and DevSecOps implementation

Strong understanding of OWASP Top 10, SANS CWE, and other security standards

Knowledge of secure authentication mechanisms (MFA, SSO, OAuth 2.0, SAML, OIDC)

Experience with secure API design and implementation of API security controls

Knowledge of regulatory requirements (PCI-DSS, GDPR, SOX, etc.) and their architectural implications

Experience with containerization, microservices, and API security

Proficiency in one or more programming languages (Java, Python, JavaScript preferred)

Experience with secure code review techniques and identifying common vulnerability patterns

Knowledge of cryptographic protocols and implementations

Experience with security requirements for modern application architectures (SPA, serverless, etc.)

Excellent communication skills with ability to translate complex security concepts to technical and non-technical audiences

Experience leading cross-functional security initiatives and influencing stakeholders

Certifications such as CSSLP, CISSP, AWS Security Specialty are highly desirable

This position requires a strategic thinker who can balance security requirements with business objectives while driving the organization toward a more secure application ecosystem.

SGA is a technology and resource solutions provider driven to stand out. We are a women-owned business. Our mission: to solve big IT problems with a more personal, boutique approach. Each year, we match consultants like you to more than 1,000 engagements. When we say let's work better together, we mean it. You'll join a diverse team built on these core values: customer service, employee development, and quality and integrity in everything we do. Be yourself, love what you do and find your passion at work. Please find us at .

SGA is an Equal Opportunity Employer and does not discriminate on the basis of Race, Color, Sex, Sexual Orientation, Gender Identity, Religion, National Origin, Disability, Veteran Status, Age, Marital Status, Pregnancy, Genetic Information, or Other Legally Protected Status. We are committed to providing access, equal opportunity, and reasonable accommodation for individuals with disabilities in employment, and our services, programs, and activities. Please visit our company to request an accommodation or assistance regarding our policy.