Jobs at T-Rex Solutions, LLC

Performs integration, interoperability, functional, and connection testing for defense applications. Configures test environments, channels, routes, and system interfaces; validates electronic transactions and files; troubleshoots connections and missing files; reviews test data; and supports test planning and evaluation events. Provides technical assistance and customer support, communicates with end users, and collaborates with internal and external teams to ensure application accuracy, integrity, interoperability, and completeness.

Administer and support enterprise Cisco Unified Communications Manager and related telephony systems. Responsibilities include maintenance, upgrades, configuration documentation, dial-plan and traffic-route administration, performance and SLA monitoring, troubleshooting, and telecommunications service requests. The role requires experience with TDM and VoIP systems, Cisco voice in multi-cluster environments, data networking, SIP, H.323, Cisco UCS, voice gateways, virtualization, and ESXi, along with an active TS/SCI clearance with FSP.

Develops system requirements, architectures, designs, technical documentation, integration plans, and test plans for an Intelligence Community program. Provides technical leadership, feasibility analysis, user guidance, government coordination, and technical oversight. Supports Scrum and SAFe ceremonies, including sprint reviews, Inspect and Adapt events, and PI planning. Requires substantial systems engineering experience and an active, transferable TS/SCI clearance with full-scope polygraph.

The AI Engineer designs, develops, and operationalizes responsible AI systems, including generative AI applications, RLHF models, guardrails, prompt engineering, and RAG frameworks. Responsibilities include evaluating and fine-tuning models, developing Python applications on cloud platforms, implementing ML software engineering practices and CI/CD pipelines, and collaborating with stakeholders on AI roadmaps and delivery. The role requires leading complex AI/ML initiatives and translating technical concepts for diverse audiences.

Designs and leads enterprise data architecture for the 2028 Census Test and 2030 Census processing. Responsibilities include developing scalable data models, lake and warehouse structures, data workflows, lineage artifacts, prototypes, and incremental processing solutions across large distributed datasets. The role collaborates with Census stakeholders, system owners, statistical organizations, and contractors; develops technical roadmaps; translates business requirements into data solutions; and provides leadership for design, integration, development, and implementation.

Applies systems engineering principles across the full systems life cycle, from concept through retirement. The role coordinates with government stakeholders and program personnel, addresses technical issues, and ensures the quality, integrity, and completeness of deliverables across ISO/IEC 15288 technical, project, enterprise, and agreement process areas. Work supports the Intelligence Community in the Fort Meade, Maryland area.

Supports PEO leadership and program managers by establishing acquisition baselines, monitoring program and portfolio health, analyzing cost and implementation risks, and ensuring timely delivery. Coaches Scrum teams and collaborates with Product Owners on SAFe and Agile ceremonies, including sprint reviews, Inspect and Adapt sessions, and PI planning. The role requires extensive DoD program, contract, or financial management experience and an active TS/SCI clearance with full-scope polygraph.

Administer, configure, monitor, troubleshoot, and automate Linux systems across multiple networks and architectures in a hybrid cloud environment. Deploy COTS and FOSS services, develop Bash and Python automation, use Puppet or Ansible, and collaborate with diverse teams to resolve infrastructure issues. AWS experience, including EC2 Auto Scaling, AWS CLI, and boto3, is desirable. The role requires an active TS/SCI with FSP clearance and substantial systems administration experience.

Performs functional, integration, regression, and automated software testing for a defense program. Analyzes requirements and user stories, creates and executes test cases, tracks defects, supports root-cause analysis, maintains automation scripts, and collaborates with Scrum teams, developers, and program management to ensure software quality and test coverage.

Provides rotating-shift Tier 1 and Tier 2 help desk support for government collaboration services. Monitors service health, troubleshoots outages and user account access, restarts services or servers, handles customer requests through phone, email, chat, and tickets, documents communications in ServiceNow, escalates issues, and instructs users on service usage.

Administer, maintain, patch, troubleshoot, and optimize Microsoft SQL Server databases across on-premise and cloud environments. Manage indexes, performance, instances, applications, backup and recovery processes, and database architectures across multiple networks. Support AWS database services, automate repetitive tasks with PowerShell or Python, and collaborate with technical teams supporting Intelligence Community missions.

Operate and maintain multi-cloud AWS, Azure, OCI, and GCP environments using Infrastructure as Code and SRE practices. Develop CI/CD automation, scripts, and deployment infrastructure across Dev, Test, and Production environments. Improve observability, resilience, IAM, networking, and security governance while onboarding FedRAMP cloud services. The role requires cloud experience across at least four relevant areas, including Kubernetes, Terraform, CI/CD, scripting, security testing, and cloud architecture.

Manage configuration baselines, change control, audits, policies, and procedures for developmental and operational systems across their full lifecycle. Recommend and use automated configuration management tools, maintain development, test, and production configurations, and support configuration management from requirements through system end-of-life.

Designs, deploys, configures, and supports cloud network infrastructure across Azure, OCI, GCP, and AWS. Manages Palo Alto and Cisco firewalls, VPNs, routers, load balancers, subnets, security groups, and network access controls. Performs network monitoring, maintenance, upgrades, capacity planning, troubleshooting, and Level 2/3 support. Uses Terraform for infrastructure automation and supports EKS clusters, cloud security, IAM, STIGs, and vulnerability management. Participates in a required 24/7 on-call rotation.

As a CNO Developer, you will develop offensive cyber capabilities, design and document applications, ensure software engineering standards, and apply security concepts.

Develops, maintains, and enhances complex software systems, ensures adherence to design requirements, and resolves software problem reports while providing system design input.

The role involves reverse engineering hardware and software, developing CNO software, conducting technical presentations, and utilizing analysis tools for cybersecurity.

The CNO Developer 3 leads the development and maintenance of CNO capabilities, ensuring compliance with software standards, mentoring staff, and ensuring effective communication with stakeholders.

Support Intelligence Community infrastructure by building and maintaining Kubernetes-based platforms, CI/CD pipelines, Helm charts, and automation. Manage Elasticsearch and MongoDB systems, implement IaC (Ansible), support containerization and monitoring, collaborate with developers and security teams, and provide production support and technical briefings.

Lead architecture and design for new features, translate complex requirements into OO technical designs, shepherd features through development and deployment, mentor peers, coordinate with systems engineering, perform rigorous code/MR reviews, and produce technical documentation. Work supports Intelligence Community with a cleared environment.