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1780 - Scrum Master/Site Lead

Sigma DefenseSan DiegoPosted 15 Oct 2026

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About this role

Sigma Defense is seeking a Scrum Master/Site Lead to join our team in San Diego, CA. This position serves as a key connection between team members, technical leadership, program management, and the customer, helping ensure priorities remain aligned, obstacles are addressed quickly, and the team can consistently deliver high-quality capabilities. This role requires someone who is equally comfortable leading a Scrum ceremony, coordinating priorities with the customer, resolving a team-level issue, tracking delivery commitments, and helping technical personnel stay focused on mission objectives.

The ideal candidate combines strong leadership, communication, organization, and Scrum facilitation skills with enough technical understanding to effectively support teams working across software development, DevSecOps, cloud services, cybersecurity, infrastructure, networking, and application support. 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.

Requirements 10+ years of relevant experience. Professional experience leading or coordinating technical teams in a software, cloud, IT, cybersecurity, engineering, or related environment. Experience serving as a Scrum Master, Agile Team Lead, Technical Project Lead, Site Lead, or similar position. Strong working knowledge of Scrum and Agile development practices. Experience facilitating Agile ceremonies including sprint planning, daily stand-ups, backlog refinement, sprint reviews, and retrospectives.

Experience tracking work through Agile project-management or issue-tracking platforms. Strong organizational skills with the ability to coordinate multiple priorities, dependencies, and deadlines. Demonstrated ability to identify and remove impediments affecting team execution. Strong written and verbal communication skills. Ability to communicate effectively with technical personnel, program leadership, customers, and other stakeholders.

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Ability to understand technical discussions sufficiently to identify dependencies, risks, priorities, and required actions. Experience coordinating activities across multiple technical disciplines. Ability to operate effectively in an environment where mission priorities and technical requirements may change rapidly. Demonstrated ability to lead through communication, organization, accountability, and collaboration. Experience supporting programs within a Department of Defense (DoD), Intelligence Community (IC), or other mission-focused government environment.

Experience leading multidisciplinary teams consisting of software developers, DevSecOps engineers, cloud engineers, cybersecurity personnel, system administrators, help desk, or similar technical professionals. Familiarity with Microsoft Azure and cloud-based application environments. Familiarity with software-development lifecycles, CI/CD, DevSecOps, Infrastructure as Code, Kubernetes, and modern cloud-development practices.

Experience supporting teams developing or operating mission-critical applications and services. Experience working directly with government customers and technical stakeholders. Experience coordinating work across geographically distributed teams. Experience with Agile planning and tracking tools such as Jira, Azure DevOps, GitLab, or comparable platforms. Experience with scaled or multi-team Agile environments. Experience preparing program status reports, customer briefings, delivery metrics, and leadership updates.

Must be a U.S. citizen. Mandatory Certifications: Certified Scrum Master (CSM) or Professional Scrum Master (PSM). Computer Programs/Software: Jira. GitLab. Microsoft Azure. Personnel Clearance Level: Candidate must possess or have the ability to obtain an active Secret security clearance or higher with the ability to obtain a TS/SCI. Clearance may be sponsored for the right candidate. Education Requirements: Bachelor's degree from an accredited college or university in a Business Administration, Information Technology, Computer Science, or related field of study.

Essential Job Duties (not all-inclusive): Serve as the primary day-to-day site lead for assigned Sigma Defense Systems personnel. Provide leadership, coordination, and operational direction to a multidisciplinary technical team. Serve as a primary interface between team members, Sigma Defense Systems program leadership, and customer representatives. Maintain awareness of ongoing technical activities, priorities, milestones, dependencies, risks, and issues across the team.

Ensure team activities remain aligned with customer priorities and overall program objectives. Coordinate work across software development, DevSecOps, cloud engineering, cybersecurity, infrastructure, networking, and support functions. Facilitate communication between technical teams and help resolve cross-team dependencies. Identify issues affecting team performance or mission delivery and coordinate with the appropriate personnel to drive resolution.

Provide program leadership with clear and timely information regarding team activities, accomplishments, risks, staffing concerns, and emerging issues. Assist with onboarding and integration of new team members. Promote a collaborative, accountable, and mission-focused team environment. Support personnel by helping remove organizational and procedural obstacles that interfere with their ability to perform effectively.

Coordinate with technical leads while respecting and leveraging their subject-matter expertise. Help ensure commitments made to customers and program leadership are understood, tracked, and completed. Serve as the team's Scrum Master, facilitating Agile ceremonies and supporting effective execution of the team's development and delivery processes. Facilitate daily stand-ups, sprint planning, backlog refinement, sprint reviews, retrospectives, and other team coordination activities.

Work with product owners, customer representatives, technical leads, and team members to maintain a clear and prioritized backlog. Help translate mission priorities and customer requirements into actionable work for the team. Ensure user stories and work items contain sufficient information, acceptance criteria, and context for team execution. Track sprint commitments, work in progress, dependencies, impediments, and completion status.

Identify and help remove obstacles preventing the team from completing planned work. Protect the team from unnecessary disruptions while maintaining responsiveness to legitimate mission priorities. Encourage realistic sprint planning based on team capacity, dependencies, and technical complexity. Facilitate productive retrospectives focused on measurable improvements to team processes. Monitor Agile metrics and delivery trends to identify potential issues and opportunities for improvement.

Encourage continuous improvement without allowing Agile processes to become administrative overhead. Adapt Agile practices when necessary to meet the needs of the mission and technical environment. Salary Range : USD 165,000 - USD 185,000 annually. Benefits Dental and Vision Insurance Medical Insurance to Include HSA, FSA, and DFSA Plans Life and AD&D coverage Employee Assistance Program (EAP) 401(k) Plan with Company Matching Contributions 160 Hours of Paid Time Off (PTO) 12 (Floating) Holidays Educational Assistance Highly Competitive Salary

Source listing: workable_sigmadefense

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