Senior Systems Architect

Valiant Solutions

Senior Systems Architect in cybersecurity managing systems architecture for public clients. Leading design, development, and implementation of secure, scalable solutions aligned with Zero Trust principles.

Posted 6/18/2026full-timeRemote • District of Columbia, Washington • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies

AWSCloudCyber Security

About the role

Key responsibilities & impact

Own the operational, technical, and informational architectures supporting client's cybersecurity systems and services.
Discern customer requirements, validate that architecture models address them, and confirm technical requirements and architecture quality attributes before designs move forward.
Develop and explain IT solutions grounded in client's strategic business and technical requirements, defining the structuring approach for each application and the appropriate use of technology.
Design and validate enterprise security architectures aligned with Zero Trust principles and NIST SP 800-207
Lead development of Engineering Design Documents (EDDs), architecture blueprints, control implementation matrices, current and target state diagrams, data flow diagrams, and security zone definitions.
Manage IT applications projects, including the design, development, and implementation of components of the IT architecture, and oversee solution roadmaps from vision through execution.
Collaborate with business owners, analysts, engineers, development teams, and infrastructure services to define, establish, and communicate application and data architecture standards, policies, and directions.

Requirements

What you’ll need

Twelve or more years of experience supporting cybersecurity information technology
Three or more years of experience supporting cloud-based solutions
AWS Solution Architect certification (required)
Strong technical understanding of cybersecurity deployment, functionality, and operation of capabilities including SIEM, EDR, CDM, penetration testing, DevSecOps, Identity and Access Management, and AWS GovCloud systems
Experience with EKS, ECS, and containerized environments
Excellent written and verbal communication skills.
Required to obtain and maintain a Non-Sensitive / High Risk (Public Trust) security clearance, Tier 4/6c.

Benefits

Comp & perks

Valiant pays 99% of the Medical, Dental, and Vision Coverage for Full-time Employees
Valiant contributes 25% towards Health Coverage for Family and Dependents
100% Paid Short Term Disability and Life Insurance Policy for Full-time Employees
100% Paid Certifications
401K Matching up to 4%
Paid Time Off
Paid Federal Holidays
Wellness & Fitness Program
Valiant University – Online Education and Training Portal
FSA programs for: Medical Costs, Dependent Care, Transit, and Parking
Referral Bonuses
Remote Work Policy

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

cybersecuritycloud-based solutionsSIEMEDRCDMpenetration testingDevSecOpsIdentity and Access ManagementAWS GovCloudEKS

Soft Skills

communication

Certifications

AWS Solution ArchitectNon-Sensitive / High Risk (Public Trust) security clearance