Senior Master Scheduler & Planner

Company Overview Iridium is an award-winning satellite communications company operating the world's only truly global voice and data network, delivering reliable connectivity anywhere on Earth. For more than 20 years, Iridium has powered mission-critical communications for governments, businesses, aviation, maritime, and the rapidly expanding Internet of Things. Now part of Iridium, Aireon is the world’s only space-based air traffic surveillance system, providing real-time visibility of aircraft over oceans, the poles, and remote regions. Together, Iridium and Aireon are helping build a safer, more connected, and more efficient future for global aviation. Join our team and help shape how the world stays connected. We foster a collaborative, inclusive culture where employees are empowered to innovate, grow professionally, and make a meaningful impact. What We’re Looking For: Iridium is seeking a Senior Master Scheduler & Planner to support a complex multi-phased U.S Government contract. This role will be expected to be an expert in all aspects of schedule creation, maintenance, management, and analysis in order to provide valuable and critical insights to the Program Management office. As a Senior Master Scheduler and Planner, you will be required to support multiple interrelated efforts that feed into one common operational goal. You will also be required to work independently and within a cross-functional team consisting of both dedicated and matrixed resources.  If you are an expert in the field of scheduling and have at least 5 recent years of experience working in the defense industry with a minimum of 10 years direct scheduling experience, then you will be excited about the Senior Master Scheduler & Planner opening with Iridium on our Space Development Agency (SDA) program. You will thrive in this role if you are detail oriented, have the ability to see the big picture, conduct true schedule analysis, and possess Earned Value Management expertise. This position requires an active/current Top Secret Security Clearance or the ability to obtain a Top Secret Security Clearance (A U.S. Security Clearance that has been active in the past 24 months is considered active). What You’ll Do: Develop the Work Breakdown Structure (WBS), Integrated Master Plan (IMP), and the Integrated Master Schedule (IMS) Collaborate with technical teams to develop and refine Agile product roadmaps, ensuring clear articulation of completed work, upcoming milestones, external and internal dependencies, and long‑term capability sequencing aligned with program objectives Ensure continuous alignment between the programs Quantifiable Backup Data (QBD) in Jira and the IMS, maintaining accurate traceability and synchronization so task level status derived from the QBD reliably reflect earned performance and schedule status Actively support Program Increment (PI) Planning by partnering with Product Owners, Scrum Masters, Control Account Managers (CAMs), and Technical Leads to finalize objectives, identify dependencies and risks, validate scope alignment, and ensure schedule inputs (epics, story points, charge codes, forecasts) are fully integrated into the IMS Develop proposal planning artifacts in response to RFI (Request for Information) and RFP’s (Request for Proposal) Lead cross functional team members and activities in the definition of project tasks, establish task durations, define relationships, impose constraints, collect weekly status, and resource load the schedule Perform DCMA 14-point assessment, critical path analysis, and Monte Carlo schedule risk assessment Perform Schedule Risk Assessments (SRAs) to test the validity and feasibility of the IMSs Conduct data-driven analysis on cost & schedule variances and support Program Managers & Control Account Managers with variance explanations Develop tier-one schedule (one pager), tier-two schedules, and master schedule from a single database using Microsoft Project Provide recommendations on how changes may affect timelines and what adjustments are needed Play a key role in early identification of potential issues or trends that may impact the program's success Develop process, procedures, and strategy for implementing scheduling best practices Provide on-the-job training and mentorship to junior team members What You’ll Need to Succeed: Bachelor’s degree in a business or technical major or related field 10+ years of relevant experience, preferably within the Aerospace or Telecommunications fields Expertise using Microsoft Project and add-on software such as OnePager Pro, SSI Tools and audit software Proficiency in Microsoft Office products, including Word, Excel, SharePoint, PowerPoint, and Visio Excellent communication skills, with the ability to convey products, deliverables, analyses, and/or issues clearly and confidently, and recognize and adapt to different communication techniques Can easily build meaningful relationships with others, including senior leadership outside of your own department, and is comfortable providing constructive feedback to your team members and management Be able to analyze a situation or problem, generate effective solutions, and see those solutions through to completion Must possess the creativity and resourcefulness needed to make reliable decisions and determine methods on new assignments Can thrive in a dynamic environment by handling multiple tasks and managing shifting priorities Be proactive in sharing knowledge you’ve learned with others Things That Would be Great if You Brought to the Table: Project Management Institute (PMI) Certification Knowledge of Scaled Agile Framework (SAFe) practices Earned Value Management (EVM) certification We’ll also need you to: Be able to travel up to 15% Be a US citizen Work Environment: This position primarily works in an office setting and is largely sedentary with the majority of the position workin