Sigma Defense Systems LLC

Infrastructure Engineer

• The developer will have DevSecOps Engineers, Software Engineers, and Cybersecurity Engineers to assist with building.
• Azure development / deployment for hybrid environment.
• Implement and enforce DoD cybersecurity policies (STIGs, RMF, NIST SP 800-53) across US Navy systems.
• Perform vulnerability assessments using tools such as ACAS, Nessus, SIEM.
• Design, develop, implement, and troubleshoot solutions for vulnerabilities within the US Navy systems.
• Lead efforts to harden Windows/Linux systems, applications, network devices, and various hardware within the US Navy environment.
• Support RMF activities, including control implementation, POA&M development, ATO submissions via eMASS, and participate in Annual Security Reviews.
• Assist with IAVM compliance, log analysis, and audit readiness tasks.
• Perform patch management, system scanning, and incident response coordination.
• Maintain system documentation, cybersecurity artifacts, and baseline reports.
• Support system validation during test events, site assessments, and production installations.

Senior Azure Infrastructure Developer, Cybersecurity Engineer

Analyst

• Provide management and assistance to ensure Government program manager(s) maintain cross-functional awareness of enterprise-wide ISR requirements.
• Engage with counterparts on-site and remotely in Combatant Commands (USSOCOM, USCENTCOM, USPACOM, USEUCOM), Uniformed Services Headquarters staff and units, and Office of the Secretary of Defense offices to facilitate requirement determination, documentation, approval, and execution.
• Support identification, modification, development, understanding, and staffing of developing and existing policies.
• Conduct analysis of intelligence products, services, requirements, and policies.

Journeyman Analyst

Systems Engineer

• Senior Systems Engineer supporting design, integration, optimization, and maintenance of infrastructure across multiple data centers
• Collaborate with section engineers to build and configure customer environments across multiple data centers
• Responsible for installation, configuration, administration, and management of Microsoft SQL Server 2019 and Microsoft SQL Reporting Services 2019 for a SolarWinds SQL platform
• Facilitate, implement, monitor, and test database backups and recovery methodologies and processes
• Monitor and optimize the performance of production SQL server databases
• Responsible for database security, integrity, reliability, high availability, and disaster recovery solutions
• Identify and troubleshoot database issues; analyze, design, build, test, and implement solutions
• Implement and troubleshoot triggers, views, stored procedures, and data integrity constraints
• Monitor file system space, database allocation, and plan for increased capacity and scalability
• Proactively identify and implement improvements, automation, monitoring, and alerting
• Deploy, support, and maintain Dev/Test/Production infrastructure and services in virtual and physical environments
• Monitor health and performance of all infrastructure and resolve issues using strong troubleshooting skills
• Support a small Datacenter and physical machine test lab by troubleshooting issues, deploying, and configuring new hardware, servers, laptops, and desktops (Windows and Linux)
• Troubleshoot and resolve infrastructure issues on Windows and Linux systems for services such as Active Directory, DHCP, DNS, Group Policy Management, and MDT
• Ensure High Availability, Fault Tolerance, Backup, and Disaster Recovery for all critical infrastructure
• Install, configure, and manage VMware virtualization environments (vSphere, SRM)
• Install, configure, and manage Cisco UCS environments (Central, UCS Manager, Fabric Interconnects, B and C-Series servers)

Senior Systems Engineer

Network Engineer

• Support the design of Navy networks for Sigma Defense Systems.
• Development of network topologies and templates from system requirements.
• Development of network templates and IP plans.
• Development of test plans and documentation.
• Configuration and documentation of SDWAN solutions.
• Aid in troubleshooting and restoring network and system outages.
• Engage and build relationships with stakeholders across Navy programs and DoD agencies.

Learning and Development

• Systems and Equipment Support
• Test and Evaluation Support
• Systems Assessment & Authorization (A&A) Support
• Life Cycle Sustainment Management (LCSM) Support
• LCSM Services
• Training Support
• Maintenance
• Reporting and Trend Analysis
• On-Call Technical Support
• Documentation
• Inventory Control / Item Management
• Configuration Management
• Warranty Management
• Shipping and Receiving
• Offshore Procurement of COMSEC Equipment
• SOCS IPT Managed Tactical Deployable Communications FoS Inside and Outside of the Contiguous United States (CONUS and OCONUS) Embedded Support
• SOCS IPT Managed Tactical Deployable Communication FoS Depot Life Cycle Sustainment Management Support (LCSM)
• Tactical Deployable Communications Systems Integration, Training, and Fielding
• Tactical Deployable Comms Systems Research, Development, Test and Evaluation (RDT&E) Support
• Equipment and Material Support.

Senior Training Specialist, C5ISR

Full-stack Engineer

• Work under a Senior Software lead to develop new software for the Remotely Operated Tracking Radar #1 (ROTR1) at the China Lake Range.
• Design, develop, test, and deliver new software for the ROTR1 radar system.
• Enable the ROTR1 hardware suite to function and support critical T&E and validation missions for the Naval Air Warfare Center Weapons Division.
• Collaborate with team members and integrate software with radar, optical sensor, and servo systems.

Software Engineer II

• Assist with development and modernization of Government systems, sub-systems, and components through engineering integrations.
• Assist with development and modernization of Government Networks via Software defined capability or similar engineering integrations.
• Support improvement of WAN/LAN posture leading architecture research and design in support of current and future Naval Requirements.
• Provide engineering change support to the In-Service Engineering Activity team via on-site services on equipment/systems to perform Cisco-based troubleshooting, identification of root cause and correction of other system-specific faults and failures.
• Participate in numerous Network integration and testing support events within Government test facilities in support of system interoperability.
• Perform technical document reviews and participate in technical working groups.
• Configure Cisco C3850 and C9300 series switches, including Layer-2 and Layer-3 switch configurations.
• Maintain port security on all network devices and coordinate with local lab system administrators with deployment of new computers, VoIP, dVTC and sVTC devices.
• Configure and maintain Palo Alto (PA-850) firewalls, including V-wire and Layer-3 creation and maintenance of objects, zones, and policy rules.
• Configure and maintain TACLANE (KG175 series) devices, including network configuration, peer routes, and keying devices.
• Liaison to local lab managers and system administrators on the installation of the RDT&E network to include hardware purchase, baseline configuration, local system administration responsibilities and duties to maintain system compliance.
• Liaison to local and Chief Engineers on testing and integration plans via Naval Fleet requirements.

Network Engineer, ADNS

• Oversee development, engineering, and testing of network configurations and systems monitoring.
• Perform routine preventative maintenance and site upgrades.
• Coordinate and facilitate engineering efforts to configure, manage, and evaluate multi-protocol network elements for effective end-to-end communications.
• Manage SIL projects and timelines.
• Support AS-Lead on all aspects of operational network issues.
• Review and follow processes for all CM related documentation submitted under the SIL: ECR, DR, Test plans, RTS, etc.
• Monitor and suggest improvements to network performance, capacity, scalability, and security; expert knowledge on data resiliency and high availability.
• Create design documents and diagrams to support system design and document all build and configuration processes.
• Create, maintain, and update documentation including VDD, baselines, ICDs, diagrams, and other related materials.

Senior Network Engineer, SIL

• Due to the nature of the work, all activity is 100% onsite.
• Design, develop, test, deploy, maintain, and improve software systems for advanced radar and threat simulator systems.
• Ensure the software meets the high standards required for DoD and other U.S. Government agencies.
• Manage project priorities, deadlines, and deliverables.
• Effectively balance multiple projects and adapt to changing priorities to meet project goals and timelines.
• Integrate hardware and software components, ensuring seamless operation of the overall system.
• Collaborate with cross-functional teams to achieve system integration goals.
• Maintain existing software systems by identifying areas for improvement, troubleshooting issues, and implementing solutions to enhance performance and reliability.
• Provide support on various projects, working closely with other engineers, project managers, and stakeholders to ensure project success.
• Foster a collaborative environment that encourages innovation and knowledge sharing.
• Create and maintain comprehensive documentation for software systems ensuring compliance with DoD standards and regulations.
• Stay current with emerging technologies and industry best practices.
• Pursue continuous learning opportunities to enhance technical skills and knowledge, and apply new insights to improve software systems.
• Travel as necessary (5 - 20%) to meet customer needs and maintain strong customer relationship.

Senior Software Engineer

Security Engineer

• Evaluate the security posture of systems and recommend improvements to meet compliance or risk mitigation objectives.
• Assist in the certification and accreditation of systems and coordinate with other engineering competencies to improve system security posture based on threat analysis and security architecture.
• Assist in remediation of cyber security findings and development of cyber security packages.
• Support DevSecOps and Software Engineers in developing secure platforms and effectively communicate regarding the risk posture of the platform.
• Establish communication mechanisms and regularly meet virtually with customer points of contact.
• Submit cybersecurity Change Requests using the customer's procedures and templates and work with the customer's cybersecurity team to resolve comments.
• Provide evidentiary artifacts of scanning/reporting/remediation for container images and contribute to container governance policy development (configuration management and vulnerability management).
• Evaluate compliance with the Application Security and Development STIG for software assets and environments (Classified/Unclassified Applications, Container Orchestration Platform, GitLab, Jira, Confluence, SonarQube, Artifactory).

Cybersecurity Engineer

• Sigma Defense is seeking a Mid-Level Cybersecurity Engineer to interface between DevSecOps Engineers and the client cybersecurity team
• Support DevSecOps and Software Engineers in developing secure platforms and effectively communicating the risk posture of the platform
• Establish communication mechanisms and regularly meet virtually with customer points of contact
• Work with the customer's cybersecurity team to resolve comments and submit cybersecurity Change Requests using customer procedures and templates
• Provide evidentiary artifacts of scanning/reporting/remediation for container images and contribute to container governance policy development (configuration management and vulnerability management)
• Evaluate risk for applications based on the customer's network security plan
• Evaluate compliance with the Application Security and Development STIG for software assets and environments including Classified/Unclassified Applications, Container Orchestration Platform, Gitlab, Jira, Confluence, SonarQube, and Artifactory

Mid-Level Cybersecurity Engineer

• Sigma Defense is seeking a Software Engineer to design, build, and maintain desktop and web applications while working with senior engineers, business analysts, and end users.
• Develop and maintain desktop and web application features under the guidance of senior engineers.
• Build application modules and web services based on design specifications and requirements.
• Collaborate with team members, business analysts, and users to troubleshoot issues and deliver solutions.
• Write clean, efficient, and well-documented code using object-oriented programming languages such as Java and C#.
• Contribute to the development of applications and application modules using Angular, Node.js, and related web technologies.
• Participate in Kanban workflows, including updating tasks, maintaining progress visibility, and supporting continuous delivery.
• Support software testing, debugging, and deployment activities across the SDLC.
• Stay current with emerging technologies and best practices to improve development processes.

Software Engineer

Site Reliability Engineer

• Sigma Defense is currently seeking an Junior DevSecOps Engineer to experience the running of development, cybersecurity, and operations teams running in a SAFe agile environment. The ideal candidate will develop a personal project to implement the processes they observe on a small scale.
• Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.