Sr. Systems Engineer/Architect

The Systems Engineer / Architect will be responsible for the functional and technical design of solutions within the DTRA ITD I3TS portfolio, including leading the technical design of solution components and developing system and technical requirements in support of customer-facing capabilities in a Data-Driven, AI ready, hybrid cloud-based environment in Fort Belvoir, VA. As a I3TS team member, you will work as part of a fast paced, Agile team to create solution designs as well as develop and manage requirements across multiple DTRA ITD modernization and integration efforts. The ideal candidate will have extensive experience in multi-cloud environments specifically working with GovCloud providers Microsoft Azure and AWS, infrastructure modernization, automation, with expertise spanning on-premise cloud extensions, Azure Local, Kubernetes, VMware, and Microsoft Entra ID. The candidate will be experienced using DevSecOps tools to drive continual improvements.

Specific tasks include developing and designing innovative technical solutions to improve the reliability, security, performance, and agility of the systems, including deriving and authoring functional, technical, performance, security, and availability requirements, in a continuous innovation process that leverages feedback derived from measuring deployed capabilities against key metrics to demonstrate success.

The Systems Engineer / Architect will be responsible for working with a team to ensure successful completion of testing and verification of new capabilities prior to deployment. To accomplish these goals, the successful candidate will demonstrate strong deductive reasoning, attention to detail, persistence, patience, and creativity.

Primary Responsibilities:

• Developing technical approaches, solutions and systems for innovations that best fits business needs.

• Designing and overseeing the implementation of the solution throughout the implementation lifecycle to ensure that it meets the needs of stakeholders.

• Providing recommendations and alternatives for solutions and creating solution prototypes.

• Participating in technology selection and analyzing technology environment and constraints.

• Developing roadmaps for the solutions.

• Acting as a liaison between technical and non-technical stakeholders.

• Collaborating with process owner(s), technical leads, and a variety of process stakeholders to refine the solution, design, process and approaches.

• Employing solution architecture and system engineering principles, processes, methods, models, artifacts, and tools to accomplish analysis, problem evaluation/diagnosis, and solution design across a variety of Systems Engineering / Architecture activities, including data gathering, requirements definition, use case development, gap analysis, functional specification creation, test plan development, test preparation, risk assessment and mitigation planning, and authoring of design specifications.

• Working closely with End Users, Software, Data, and DevOps Engineers, Data Engineers, Testers, Cloud Engineers, Network Engineers, and IA.

• Employing a system engineering approach for systems planning design, execution, and sustainment.

• Defining processes for technical platforms, system specifications, input/output and working parameters for hardware and/or software compatibility.

• Assisting in the development and maintenance of systems engineering documentation and diagrams/models.

• Lead the development of business process maps using a standard methodology and toolset.

• Provide measurable input to new solutions, processes, or standards to achieve functional/project objectives.

• Collaborating with colleagues to monitor and report technical variances; facilitating resolution of technical issues that adversely impact successful product delivery.

• Quickly adapt to customer environments and adopt their processes.

• Author and execute User Acceptance strategies, plans and scripts for the innovation's deployment.

• Support the resolution of technical challenges throughout the project lifecycle.

• Employ exceptional problem-solving, interpersonal, and leadership skills.

• Support or Lead business proposal responses as required.

Basic Qualifications:

• Masters with 15 - 20 years of prior relevant experience or Doctorate with 13 - 16 years of prior relevant experience.

• Security+ certification or equivalent DoD 8570 IAT II certification within 14 days of start date.

• Currently possess an active DoD Top Secret security clearance or higher.

• Experience leading solution design and architecture development for a complex cloud-based system.

• Experience with the design, develop, and delivery of data driven operations capabilities, in a DoD environment.

• Experience with Process Mapping.

• 4+ years of systems engineering experience, including developing requirements traceability for software systems (RVTM), writing software systems engineering documents (SDP, etc.), and developing software interface documents (IDDs/ICDs).

• Experience working with the Linux operating system, and related operating system commands.

• Familiarity with web services APIs, including REST

• Experience identifying and tracking related project task dependencies, risks & possible mitigations.

• Experience estimating level of effort (hrs./days/resources) to create a project plan and schedule.

• Experience working with a highly technical team and in a dynamic, fast-paced environment

• Experience with project management and configuration management tools such as JIRA, Xray, Confluence and Git.

• Strong written and verbal communication skills are required to collaborate with customer representatives, domain experts, systems engineers, and architects.

• Prioritizing work to meet fixed deadlines.

• Ability to travel periodically, as needed.

• Experience working and collaborating in a cross-discipline team with technical and non-technical stakeholders.

Preferred Qualifications:

• Experience with Azure services, including Entra-ID, Azure storage, Azure Local

• Experience with AWS services.

• Experience with Virtualization and Container Orchestration tools such as Kubernetes

• Experience with cloud-based enterprise software implementations.

• Familiarity with On-Premise hybrid cloud components

• Experience with ICAM protocols and services

• Experience with DevOps/DevSecOps, Configuration as Code, Infrastructure as Code, and CI/CD implementation and practices

• Experience or Interest in building AI capabilities for Operations.

• Familiarity with Agile methodologies, and tools.

• Familiarity with big data applications.

• Familiarity with AWS GovCloud and cloud infrastructure, including networking and security policies.

• Familiarity with developing and deploying software in a DoD environment (DISA experience is a plus), including experience building and deploying software applications that meet DoD security standards, including updating applications and code to meet security scans and meeting security implementation guidelines (e.g. STIGs).

• Familiarity with LLM products and capabilities.

• Understanding of network routing devices and network device configurations.

• Understanding of ITIL foundation or ITIL certified.

• Experience managing or leading an engineering team.

• Azure/AWS cloud certifications.

Original Posting:
April 16, 2025
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:
Pay Range $148,850.00 - $269,075.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.