ARETUM

QA Engineer

• Lead comprehensive testing, validation, and quality assurance activities for a complex Federal cloud integration solution serving millions of clients.
• Develop comprehensive test strategy covering functional, integration, performance, security, and compliance testing
• Create detailed test plans aligned with RMF/ATO requirements and federal security control validation
• Define test environments, test data requirements, and testing infrastructure needs
• Establish test schedules, milestones, and success criteria for pilot deployment across 10 systems
• Identify testing tools, frameworks, and automation opportunities to meet aggressive timeline
• Coordinate testing dependencies across development, infrastructure, and security teams
• Test container platform deployments (ECS/OpenShift) including orchestration, scaling, and failover capabilities
• Validate infrastructure-as-code deployments for consistency, repeatability, and compliance with baselines
• Test application load balancer configurations including health checks, routing rules, and SSL/TLS termination
• Verify network segmentation, security group rules, and multi-AZ high availability configurations
• Validate backup and disaster recovery procedures including RTO/RPO compliance
• Test auto-scaling behaviors under various load conditions and failure scenarios
• Design and execute integration test cases for data flows across 10+ disparate source systems
• Test API interfaces, data orchestration workflows, and error handling/retry logic
• Validate data transformation accuracy, completeness, and consistency across integration points
• Test vendor container integration with custom infrastructure and security controls
• Verify Databricks pipeline processing and PowerBI report accuracy against expected outcomes
• Execute end-to-end business process testing for risk analysis and service coordination workflows
• Validate implementation of NIST 800-53 security controls required for ATO
• Coordinate and support security assessment testing activities with ISSO/ISSM
• Test authentication, authorization, and access control mechanisms across all system components
• Validate encryption implementation (at-rest and in-transit) for sensitive client data and PII
• Execute vulnerability scanning and verify remediation of identified security findings
• Test audit logging completeness, accuracy, and compliance with federal requirements
• Validate container hardening against CIS benchmarks and DSTI STIGs
• Support penetration testing activities and coordinate remediation verification
• Design and execute performance tests simulating millions of client records and concurrent users
• Test system performance under peak load, sustained load, and stress conditions
• Validate horizontal scaling effectiveness and resource utilization efficiency
• Identify performance bottlenecks in integration workflows, database queries, and API endpoints
• Test monitoring and alerting thresholds under various load scenarios
• Measure and validate response times, throughput, and latency against defined SLAs
• Develop automated test suites for regression testing of infrastructure and application components
• Integrate automated testing into CI/CD pipelines for continuous validation
• Create reusable test scripts and frameworks for scaling to 130+ system instances
• Automate security compliance checks and configuration validation
• Build synthetic monitoring and health check automation for production readiness
• Document test cases, test results, and defect findings with clear reproduction steps
• Track defects through resolution and verify fixes through regression testing
• Maintain traceability matrix linking requirements to test cases and security controls
• Create test summary reports for stakeholder reviews and compliance evidence
• Document test environments, configurations, and procedures for audit and knowledge transfer
• Provide testing evidence and artifacts for RMF/ATO security assessment package

Systems Engineer – Testing & Quality Assurance

DevOps Engineer

• Design, operate, and continuously improve automated CI/CD pipelines using GitLab CI to support zero-downtime deployments across multiple environments.
• Support development teams with standardized deployment tooling, automation, and operational best practices.
• Administer and support containerized workloads using Kubernetes (EKS) and Docker-based container platforms.
• Configure and manage Linux-based servers and systems.
• Implement Infrastructure as Code (IaC) using Terraform and/or AWS CDK for repeatable, auditable deployments.
• Support provisioning and configuration of AWS services including EC2, EKS, ECS, S3, RDS, VPC, Lambda, and related services.
• Coordinate infrastructure changes without performing AWS account provisioning or organizational administration.
• Integrate security scanning into CI/CD pipelines using tools such as Trivy, AWS Inspector, and AWS Security Hub.
• Perform vulnerability triage and coordinate remediation with development teams in accordance with defined timelines.
• Implement and manage IAM least-privilege policies, secrets, and encryption using AWS KMS, Secrets Manager, and SSM.
• Ensure encryption in transit and at rest across all in-scope systems.
• Configure and maintain monitoring and observability using CloudWatch, Prometheus, Grafana, and centralized logging solutions.
• Support Tier 2 and Tier 3 incident response for production systems, meeting SLA requirements.
• Participate in root-cause analysis and continuous improvement initiatives.
• Participate in Agile sprints, including backlog grooming, sprint planning, stand-ups, and retrospectives.
• Track work in JIRA, using story-point estimation and sprint metrics.
• Support reprioritization of backlog items in coordination with the COR and Product Owner.
• Produce and maintain technical documentation covering architecture, pipelines, monitoring, security, and disaster recovery.
• Support Business Continuity and Disaster Recovery (BCDR) planning, documentation, and exercises.
• Ensure all deliverables comply with ADA, Section 508, WCAG 2.2 A/AA, and digital accessibility standards.

ARETUM

Systems Engineer – Testing & Quality Assurance

Junior DevSecOps Engineer

DevSecOps Engineer