Senior SEO Specialist

Liberty Marketing; Cardiff; Hybrid; GBP 42,000 - 62,000; Full time

Benefits offered by this job

Enhanced Annual Leave

Enhanced Maternity and Paternity Leave

Flexible hours

Dedicated Training

Private Medical Insurance

Job summary

Liberty is seeking a Senior SEO Specialist to own complex client accounts, delivering data-driven SEO strategies that improve visibility and commercial outcomes. You will mentor colleagues and collaborate across the agency to drive performance, while contributing to leadership in client forums.

The role supports a hybrid and remote working model, emphasising clear communication, visibility of work, and proactive collaboration to deliver results.

Qualifications

• At least 4 years demonstrable experience delivering SEO campaigns in an agency.
• Strong knowledge of technical SEO, on-page and off-page optimisation, and analytics.
• Commercially minded with ability to connect performance to client goals.
• Confident communicator, highly organised and proactive.
• Collaborative across disciplines to plan and deliver integrated campaigns.
• Willing to mentor others and share knowledge.

Responsibilities

• Lead day-to-day SEO strategy and delivery across accounts and workstreams.
• Analyse performance, diagnose issues, and translate insights into actions.
• Conduct technical audits, keyword research, and growth opportunities.
• Translate client goals into actionable SEO plans with milestones and KPIs.
• Collaborate with Client Services, SEO, Content, Digital PR, and Social to align activity with campaigns.

Skills

SEO strategy

Technical SEO

Analytics

Client communications

Project management

Cross-functional collaboration

Mentoring

Job description

Employment type: Permanent and full-time (39 hpw)

Experience: 4 years minimum

Probationary Period: 6 Months

Why work at Liberty?

Enhanced Annual Leave

Enhanced Maternity and Paternity Leave

Flexible hours

Dedicated Training

Private Medical Insurance

Remuneration

About the Role:

The Senior SEO Specialist delivers high-quality, data-driven SEO strategies that improve visibility, engagement, and commercial performance for clients. They combine technical knowledge, strategic thinking, and strong analysis to drive measurable results.

As a senior practitioner, they take ownership of complex accounts, mentor others, and work closely with colleagues across the agency to deliver integrated performance. They are actively developing commercial and strategic capability through supported leadership in client forums.

Culture & Team Fit

We’re a performance-focused agency that values ownership, clarity, and momentum. We tell a commercial story, measure our impact, and make decisions that move clients forward. We’re Accountable for outcomes, Brave in our recommendations, and Curious about better ways to get results. We coach each other, keep promises, and raise standards through clear feedback and simple processes. We work across hybrid and remote environments, so clear communication, visibility of work, and proactive collaboration are essential to how we operate. We work across hybrid and remote environments, so clear communication, visibility of work, and proactive collaboration are essential to how we operate. If you thrive on practical problem-solving, collaborate well across disciplines, and enjoy turning insight into action, you’ll feel at home here.

Core responsibilities:

• Lead day-to-day SEO strategy and delivery across assigned accounts and workstreams.
• Analyse performance, diagnose issues, and turn insight into practical recommendations.
• Conduct technical audits, keyword research, and opportunity analysis to prioritise growth.
• Translate client goals into actionable SEO plans with clear milestones and KPIs.
• Translate performance data into clear optimisation actions that improve rankings, visibility, and organic traffic on assigned accounts.
• Advise on technical, content, and authority improvements to drive performance.
• Produce clear reporting and recommendations, focusing on what changed, why, and what we are doing next.
• Actively develop consultant-ready capability by contributing to client calls and QSRs, with supported ownership where appropriate.
• Provide coaching, peer review, and feedback to specialists and executives to raise standards.
• Support best practice development through templates, processes, and quality checks.
• Contribute to pitches, renewals, and proposals by providing channel insight, evidence, and recommendations.
• Stay up to date with industry changes and translate them into delivery improvements.
• Uphold Liberty’s delivery and quality standards in every aspect of work.
• Own delivery quality and performance across complex SEO accounts and workstreams.
• Support client retention and renewal through consistent delivery and clear recommendations.
• Identify opportunities for optimisation, efficiency, and process improvement.
• Support team training, mentoring, and knowledge sharing to elevate capability.
• Collaborate with Client Services, SEO, Paid Media, Content, Digital PR, and Social to align activity with wider campaigns and client objectives.

Skills & Experience

• At least 4 years demonstrable experience of delivering successful SEO campaigns in an agency environment (essential).
• Strong knowledge of technical SEO, on-page and off-page optimisation, and analytics.
• Commercially minded, able to connect performance to client goals and outcomes.
• Confident communicator who builds trust with clients and colleagues.
• Highly organised and proactive, able to manage priorities across multiple workstreams.
• Collaborative across disciplines, supporting integrated planning and delivery.
• Analytical and solutions-focused, turning insight into clear recommendations.
• Actively developing consultant-ready capability through client exposure and supported leadership in calls and QBRs.
• Demonstrates Liberty’s values: Accountable, Brave, Curious.

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