T-Rex Solutions, LLC

Network Engineer

• In-Depth knowledge and hands-on experience with major cloud platforms, such as Azure, OCI and GCP.
• Comprehensive knowledge of cloud security best practices and ability to implement security measures within cloud networks.
• Strong understanding of networking protocols and technologies, including TCP/IP, DNS, DHCP, VPN and BGP.
• Strong understanding of Virtual Private Clouds (VPCs) and subnets to meet the organization’s performance and security requirements.
• Experience with software-defined networking (SDN) and virtual networking concepts.
• Experience with identity and access management (IAM) in cloud environments.
• Experience with installation of various network devices and services (e.g., routers, firewalls, load balancers, VPN, QoS).
• Perform network maintenance and system upgrades including service packs, patches, hot fixes, and security configurations for any third-party network devices in cloud platforms.
• Work with the existing network administrators and engineers to manage, deploy, and troubleshoot firewalls, routers, VPN concentrators, and Network Access Control in cloud platforms.
• Monitor performance and ensure system availability and reliability.
• Monitor system resource utilization, trending, and capacity planning.
• Provide Level-2/3 support and troubleshooting to resolve issues.

Senior Cloud Network Engineer

Security Engineer

• Design, implement, and manage secure cloud architectures on platforms such as AWS, Azure, and/or Google Cloud Platform.
• Utilize extensive system administration experience to ensure seamless operations and high availability of cloud services.
• Apply security administration expertise to manage identity and access management (IAM), implement network security policies, and monitor compliance with security frameworks.
• Leverage scripting skills (e.g., Python, Bash, PowerShell) to automate tasks, enhance system efficiencies, and orchestrate complex workflows.
• Employ best practices in cloud security to harden cloud environments against vulnerabilities, ensuring data protection and threat mitigation.
• Conduct proactive troubleshooting and incident response to resolve complex issues with minimal downtime.
• Collaborate with cross-functional teams to advance security initiatives, streamline operations, and achieve business objectives.
• Mentor junior staff and contribute to the development of internal training programs.

Senior Cloud Security Engineer

Full-stack Engineer

• Assist in the design, development, and implementation of software components and applications using C# and Python in a cloud-first environment
• Participate in code reviews, testing, and debugging to deliver reliable, efficient, and maintainable solutions
• Support development and maintenance of cloud-based data pipelines and ETL processes using AWS services
• Contribute to application development that integrates with databases including PostgreSQL, RDS, and data storage solutions
• Collaborate on implementing AWS services including Lambda functions, Step Functions, Athena queries, and Glue jobs
• Support containerized application development and deployment using Docker and Amazon EKS
• Support machine learning workflows and data processing using AWS cloud services and Python
• Participate in database integration tasks and basic performance optimization under senior guidance
• Document code, technical decisions, and application changes as part of our knowledge management process
• Collaborate with business analysts, designers, and testers throughout the software development lifecycle to ensure quality and alignment with requirements
• Proactively seek opportunities to learn new AWS technologies and development practices through mentoring, training, and self-study
• Support bug fixing, enhancements, and deployment of new features in cloud environments
• Champion an inclusive, positive, and team-oriented culture where diverse perspectives and learning are valued

Junior Cloud Software Developer

Systems Engineer

• Support the Intelligence Community at Ft. Meade, MD
• Track requirements, manage team tasking, document completed work
• Interface with customers to support analytic developers/CNE analysts

Senior Systems Engineer

Bookkeeper

• Process semi-monthly payrolls and occasional off-cycle payrolls
• Review quarterly and year-end federal, state, and local payroll tax filings, and work with payroll provider (ADP) to research and resolve any issues with the filings
• Manage payroll tax registrations and ensure withholding and unemployment tax accounts are current and in good standing
• Work closely with the Benefits Manager to ensure all employee benefits are processed correctly
• Monitor employee timesheet and expense report submissions and process reimbursements
• Conduct timesheet training with new hires
• Perform periodic floor checks to ensure employees’ compliance with DCAA timesheet standards

Senior Payroll Accountant

• Serve as the Cybersecurity SME for a cross-functional Agile team modernizing a federal case management platform.
• Design and implement a comprehensive security architecture for a cloud-based enterprise system deployed on AWS.
• Define and enforce security policies, controls, and procedures in alignment with FedRAMP, FISMA, and NIST 800-53 requirements.
• Lead the development and maintenance of key security documentation, including:
• System Security Plans (SSP)
• Security Assessment Plans (SAP)
• Plans of Action & Milestones (POA&M)
• Incident Response Plans
• Continuous Monitoring Strategy
• Support the ATO process, including coordination with agency ISSOs, auditors, and other cybersecurity stakeholders.
• Conduct regular vulnerability assessments, risk analysis, and penetration testing using approved tools (e.g., Nessus, Tenable, AWS Inspector).
• Work closely with DevOps and cloud architecture teams to ensure secure configuration and deployment of AWS services.
• Implement and monitor continuous security monitoring (ConMon) tools and processes, ensuring real-time compliance and threat detection.
• Enforce identity and access management (IAM) best practices, including role-based access control, MFA, and least privilege policies.
• Conduct regular audits and provide expert guidance during security incidents or breach simulations.
• Stay current with evolving federal cybersecurity mandates, AWS security services, and industry trends.

Cybersecurity SME

Product Designer

• Serve as the UI/UX design and development SME for a multi-disciplinary Agile development team modernizing a legacy federal case management platform.
• Design UX for new application including flow, required UI elements, compliance standards such as 508 compliance, and process design.
• Conduct user requirements gathering sessions to understand user requirements for application, fill out user persona data, understand pain points, etc.
• Lead and participate in user research, usability testing, and stakeholder interviews to inform design decisions.
• Create wireframes, prototypes, and high-fidelity mockups that reflect user needs and federal design standards.
• Collaborate with business analysts, developers, product owners, and end users to ensure user-centered solutions are aligned with technical and functional requirements.
• Ensure compliance with Section 508, USWDS, and agency-specific branding or accessibility standards.
• Provide expert guidance on interaction design, information architecture, and design systems for consistent user experience across the CMS.
• Design and document reusable UI components and front-end patterns for long-term maintainability and scalability.
• Conduct regular design reviews to ensure quality and adherence to best practices.
• Support deployment, testing, and enhancement phases on AWS, ensuring UI elements perform well across environments.

UI/UX SME

Cloud Engineer

• Serve as the cloud architecture SME for a multi-disciplinary team modernizing a legacy federal case management platform
• Design and implement scalable, secure, and resilient AWS architectures using best practices and agency-specific guidelines
• Lead cloud migration strategy, ensuring smooth transition from legacy systems to cloud-native environments
• Define and implement cloud-native services (e.g., ECS, Lambda, RDS, S3, CloudFront) and serverless components to support business and technical requirements
• Collaborate with DevOps, security, development, and UI/UX teams to ensure holistic system integration and compliance
• Lead the configuration and management of infrastructure-as-code (IaC) using tools such as Terraform or AWS CloudFormation
• Design and enforce DevSecOps pipelines to automate builds, tests, and deployments in alignment with federal security practices
• Ensure compliance with FedRAMP, FISMA, NIST 800-53, and agency-specific security controls
• Conduct system performance tuning, cost optimization, and monitoring using tools like CloudWatch, AWS Config, and Trusted Advisor
• Document all architectural decisions, cloud service configurations, and security implementations
• Provide SME-level input for technical proposals, documentation, and stakeholder briefings

AWS Cloud Architect – SME

QA Engineer

• Responsible for creating and understanding the project requirements, creating detailed test plans and cases, setting up test environments, and executing manual and automated tests.
• Log and track defects, perform regression and acceptance tests, and ensure the updated code meets all functional and non-functional requirements.
• Document activities, report progress to stakeholders, and continuously improve testing processes to maintain the quality and reliability of the modernized code.

Software Tester

• Responsible for creating and understanding the project requirements, creating detailed test plans and cases, setting up test environments, and executing manual and automated tests
• Log and track defects, perform regression and acceptance tests, and ensure the updated code meets all functional and non-functional requirements
• Document activities, report progress to stakeholders, and continuously improve testing processes to maintain the quality and reliability of the modernized code

Junior Software Tester

• Collaborate with cross-functional teams to gather and analyze requirements, design solutions, and develop software applications that align with business objectives
• Lead the design and architecture of complex software systems, ensuring scalability, reliability, and performance
• Develop clean, efficient, and maintainable code in accordance with best practices and coding standards
• Conduct thorough testing and debugging of applications to ensure quality and reliability
• Stay current with emerging technologies and industry trends and incorporate them into the development process as appropriate
• Provide technical guidance and mentorship to junior developers, fostering a culture of continuous learning and growth

Senior Software Developer

• Support the IRS Development, Infrastructure, Security and Modernization (DISM) program by providing ongoing support for CI/CD capabilities, enterprise infrastructure, application development, and modernization of IRS tax filing and enterprise systems
• Analyze business problems to implement and improve computer systems
• Analyze user requirements, procedures, and problems to automate or enhance existing systems
• Review computer system capabilities, workflow, and scheduling limitations to optimize performance
• Analyze and recommend commercially available software to meet user needs
• Create detailed documentation of system requirements, specifications, and operational procedures
• Collaborate with developers, network administrators, and support staff to ensure seamless system integration and performance
• Conduct system testing and validation to ensure systems meet user requirements and function as intended

Computer Systems Analyst

Manager

• Spearhead the evaluation and strategic integration of emerging technologies to foster innovation and efficiency across IRS operations.
• Lead the assessment and overhaul of existing IT infrastructures, ensuring optimal performance, scalability, and future-readiness.
• Champion the development and execution of comprehensive IT strategies, aligning technology investments with organizational goals and compliance requirements.
• Cultivate strong partnerships with stakeholders, IT teams, and external vendors to ensure cohesive technology implementations and solutions.
• Guide the adoption and governance of IT best practices, standards, and methodologies, including Agile and DevOps, to enhance project delivery and operational excellence.
• Oversee the design and implementation of robust cybersecurity measures and data protection strategies, safeguarding sensitive information against emerging threats.
• Actively monitor technology trends and advancements, providing leadership and direction in the adoption of cloud computing, artificial intelligence, and other transformative technologies.
• Facilitate the continuous improvement of IT service delivery, ensuring systems and processes are efficient, user-centric, and capable of meeting evolving business needs.
• Lead educational and training initiatives to enhance team capabilities and foster a culture of technical excellence and innovation.

Senior Information Systems Manager

Technical Project Manager

• Support IRS DISM program: development, operation and maintenance of CI/CD capabilities, enterprise infrastructure, application development, and modernization of IRS tax filing and enterprise systems
• Manage full project lifecycle, ensuring alignment with organizational goals and compliance standards
• Lead planning, execution, and closure phases of IT projects, adhering to timelines, budget constraints, and quality standards
• Craft and maintain detailed project documentation, including project plans, risk assessments, stakeholder analyses, and progress reports
• Drive integration of project management best practices and methodologies (e.g., Agile, PMI)
• Engage with senior stakeholders and project sponsors to define project scope, objectives, and deliverables
• Oversee multidisciplinary project team, providing direction and support to achieve milestones and deliverables
• Proactively identify, assess, and mitigate project risks
• Facilitate communication across project teams, stakeholders, and external vendors
• Champion incorporation of innovative technologies and practices to enhance modernization efforts

Senior IT Project Manager

Business Intelligence Developer

• Query data repositories to extract relevant information for financial and market analysis
• Create and distribute periodic reports that provide insights into financial and market trends
• Devise methods to identify data patterns and trends in available information sources
• Use data visualization tools to present complex data in an understandable format
• Work closely with other departments to understand their data needs and provide analytical support
• Ensure the accuracy and integrity of data used for analysis and reporting

Business Intelligence Analyst

• Design, deploy, operate, and maintain resilient secure Cloud environments for the Department of Education
• Lead modernization efforts to assess, select, and deploy advantageous cloud services in support of mission goals
• Design Cloud-based system architectures that include public and private Cloud technologies, software, hardware, and communications solutions
• Engage relevant stakeholders to assess requirements and mission priorities
• Ensure architectures are in compliance with open systems standards as they apply to the client’s environment
• Evaluate compatibility of information system development efforts with agency architectures and recommend adjustments
• Evaluate and remediate problems of Cloud connectivity, Cloud platform architecture, workflow, organization, and planning and develop appropriate corrective action
• Collaborate with teams to support transition from on-premise infrastructure to the cloud and support ongoing operations and scalability

Senior Cloud Architect

Backend Engineer

• Design, develop, and maintain database schemas and data structures for PostgreSQL, Redshift, and Vector databases
• Support data pipeline development and ETL processes for high-volume data ingestion
• Implement and maintain data quality checks and validation processes
• Assist with database performance optimization and query tuning
• Support data storage solutions using Amazon S3, Iceberg, and other cloud storage technologies
• Collaborate with development teams on database integration for applications
• Participate in database monitoring, backup, and recovery procedures
• Document database designs, procedures, and data lineage
• Work on cloud-native applications processing high-volume datasets in support of the US Census Bureau 2030 Decennial Census

Database Engineer

Engineer

• Design, implement, and manage IAM policies, roles, and users within the AWS environment.
• Create and evaluate IAM policies, trust policies, and SCP policies to ensure secure access to AWS resources.
• Analyze policy statements service by service to identify excessive permissions or potential impacts to guardrails.
• Scope IAM policies to specific resources or conditions to maintain the principle of least privilege.
• Conduct regular audits and reviews of IAM policies to ensure compliance with security best practices and organizational policies.
• Collaborate with cross-functional teams to integrate IAM best practices into development and operational workflows.
• Develop and maintain documentation for IAM policies, procedures, and configurations.
• Respond to security incidents and perform root cause analysis to prevent future occurrences.
• Stay updated on AWS IAM services and industry best practices to ensure our environment is secure and compliant.
• Use AWS services like CloudTrail, CloudWatch, and Access Analyzer to audit existing policies and recommend changes based on actual usage.
• Help us review IAM changes that are needed when adding new services to the approved service catalog.