Senior Planner – Major Projects PMO (Primavera P6 Expert)

Southern Water; Brighton; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

Southern Water in Falmer, Brighton (Hybrid: 2 days in the office) seeks a Major Projects PMO Senior Planner to shape delivery of major infrastructure through expert scheduling. You will develop and maintain Primavera P6 schedules, communicate critical path updates, run what-if analyses, and produce progress reports and SPI metrics.

The role is permanent, 37 hours per week, with salary to be discussed at screening; pre-employment security vetting applies.

Qualifications

• Expert user of Primavera P6 with advanced skills including cost and resource loading.
• Familiarity with NEC contracts and key planning clauses.

Responsibilities

• Develop, maintain, and manage fully logic-linked project schedules in Primavera P6 for major infrastructure projects.
• Communicate critical path updates, float trends, and early warnings on schedule slippage.
• Produce progress updates, lookahead schedules, S-Curves, and Schedule Performance Index (SPI) metrics at project and work pack level.
• Conduct scenario planning and “what-if” analysis to support risk mitigation strategies.
• Review and integrate schedules from external partners, ensuring quality and governance standards.
• Maintain rigorous control over schedule baselines and revisions in line with PMO governance processes.

Skills

Cost loading

Resource loading

NEC contracts

Tools

Primavera P6

Job description

Southern Water in Falmer, Brighton (Hybrid: 2 days in the office) seeks a Major Projects PMO Senior Planner to shape delivery of major infrastructure through expert scheduling. You will develop and maintain Primavera P6 schedules, communicate critical path updates, run what-if analyses, and produce progress reports and SPI metrics.

The role is permanent, 37 hours per week, with salary to be discussed at screening; pre-employment security vetting applies.