Business Manager

Principal Assistant – Business Management Oeiras, Portugal| Office-based | Full-time Security Clearance Required AtwBrain, we are looking for a highly organized and proactivePrincipal Assistant – Business Managementto support senior managers and leadership teams in a complex, international environment. This role combinesbusiness administration, project coordination, stakeholder management, and reporting, playing a critical part in ensuring operational efficiency and informed decision-making. Role Mission Provide end-to-end business and administrative support to leadership teams, ensuring effective coordination of resources, information flow, project activities, and stakeholder engagement in a secure and structured environment. Key Responsibilities Managebusiness administration servicesand provide direct support to senior managers and leadership teams; Coordinate calendars, prioritize meetings, and handlesensitive and confidential information; Ensure managers have the required information, documentation, and resources to support decision-making and cross-team coordination; Facilitateinformation flow and knowledge sharingacross departments; Create, track, and managemulti-level task plansfor self and team members; Manageproject portals, document repositories, and produce regular project status reports; Supportproject delivery activities, including scope, timelines, resources, risks, issues, and change management; Implement and monitorinformation and records management policiesand controls; Coordinate stakeholder communications, workshops, and events; Prepare meeting agendas, minutes, and track action plans; Supportresource planning and allocation, working closely with Resource Managers; Monitor performance indicators and identify risks related to information usage; Recommend remediation actions where process or information gaps are identified. Required Skills & Experience Education & Professional Experience Higher vocational education withat least 5 years of relevant experience, orsecondary education withat least 3 years of relevant experience; Technical & Functional Skills Stronganalytical, business analysis, and reporting skills, includingPower BI; Experience working withAgile methodologiesandKanban tools; Proficiency inproject planning, control, and resource management tools(e.g. MS Project, ServiceNow); Solid understanding ofproject coordination and administrative governance; Soft Skills Excellentinterpersonal, communication, and stakeholder managementskills; Proven ability to build effective relationships with internal and external stakeholders; Strong planning, prioritization, and problem-solving capabilities; Ability to manage multiple tasks in complex environments; High level of discretion and integrity when handling confidential information. Security Requirements Valid Security Clearance is mandatoryand must be maintained throughout the engagement. Engagement Details Location:Oeiras, Portugal Work Model:On-site, full-time Start Date:9 February 2026 Contract Duration:836 hours Application Deadline:15 January 2026 Interested? Send your CV towith the subject line: "Principal Assistant – Business Management"