Senior Planner, Major Projects PMO (Hybrid, P6 Pro)

Southern Water; England; Hybrid; GBP 55,000 - 85,000; Full time

Job summary

Southern Water in Falmer, near Brighton, is seeking a Major Projects PMO Senior Planner to lead detailed project schedules in Primavera P6, manage baselines and risk scenarios, and deliver insight to keep programmes on track.

You will collaborate with external partners, ensure governance, and contribute to major infrastructure investments while working in a hybrid environment with 2 days in the office.

Qualifications

• Must be expert in Primavera P6 including cost and resource loading.
• Strong schedule governance and baseline control.
• Experience with major infrastructure programmes.

Responsibilities

• Develop, maintain, and manage fully logic-linked project schedules in Primavera P6.
• Communicate critical path updates, float trends, and early warnings on schedule slippage.
• Produce progress updates, lookahead schedules, S-Curves, and SPI metrics at project/work-pack level.
• Conduct scenario planning and “what-if” analyses to support risk mitigation.
• Review and integrate schedules from external partners, ensuring governance compliance.
• Maintain rigorous control over schedule baselines and revisions per PMO governance.

Skills

Project scheduling

NEC contracts

Tools

Primavera P6

Job description

Southern Water in Falmer, near Brighton, is seeking a Major Projects PMO Senior Planner to lead detailed project schedules in Primavera P6, manage baselines and risk scenarios, and deliver insight to keep programmes on track.

You will collaborate with external partners, ensure governance, and contribute to major infrastructure investments while working in a hybrid environment with 2 days in the office.