Computer Systems Engineer/Architect with Security Clearance

TENAX Technologies seeks a Senior Computer Systems Engineer/Architect to support a DoD customer in designing, securing, and modernizing enterprise and mission systems. The role provides technical leadership across systems architecture, AWS cloud environments, cybersecurity (RMF), and infrastructure integration in classified, mission-critical settings. Key ResponsibilitiesLead design and integration of secure enterprise architectures across on-premises and AWS cloud environments (hybrid/cloud-native)Architect and manage AWS services including EC2, S3, VPC, IAM, RDS, CloudWatch, and Lambda, ensuring secure and scalable deploymentsImplement cloud security best practices aligned with DoD Cloud SRG, RMF, and Zero Trust principlesPerform systems engineering lifecycle activities (requirements, design, integration, testing, sustainment)Integrate cybersecurity tools and processes including:ACAS (Nessus), HBSS/endpoint security, and SIEM solutionsSTIG/SRG compliance and vulnerability remediationDevelopment of ATO artifacts (SSP, SAR, POA&M)Design and support DevSecOps pipelines and CI/CD workflows, including automation and Infrastructure as Code (IaC)Oversee integration of compute, storage, virtualization (VMware/Hyper-V), identity management (AD/RBAC), and backup solutionsProvide technical leadership and architecture governance, supporting design reviews, risk assessments, and modernization strategiesDevelop and maintain architecture documentation, system diagrams, and configuration baselines Required QualificationsActive Top Secret clearance with SCI eligibility (TS/SCI preferred)Bachelor's degree in a technical field (or equivalent experience)10+ years of experience in systems engineering or architectureExperience with:AWS cloud services and secure cloud architectureDoD RMF and ATO processesEnterprise infrastructure (Linux/Windows, virtualization, storage, networking)STIG implementation and cybersecurity compliance Desired QualificationsAWS Certified Solutions Architect (Associate or Professional)DoD 8570/8140 IAT/IAM Level II certification (e.g., CISSP, CASP+)Experience with Zero Trust Architecture, containerization (Docker/Kubernetes), and DevSecOpsPrior support to DoD/Navy/Army environments (e.g., NAVSEA, NSWCPD, ARL) Core CompetenciesEnterprise and cloud architecture designCybersecurity integration and complianceDevSecOps and automationTechnical leadership in classified environments