Senior On-Site SEO Specialist
Vilnius, Lithuania
Full Time
Experienced
At Fortis Media, we help businesses in complex industries grow through clear, trustworthy, and data-backed digital marketing. Our team works across SEO, outreach, paid media, content, advertising technology, and analytics to deliver measurable results for clients and meaningful, high-impact work for the people who build it.
We’re looking for a Senior On-Site SEO Specialist who can combine strategic thinking with hands-on execution across client websites. This role is for someone with strong on-site SEO expertise, solid technical SEO audit experience, and the ability to lead and execute SEO work across both traditional search and emerging LLM/GEO environments.
You should be able to connect content, structure, technical health, search performance, and business goals into one clear SEO approach. Strong spoken and written English is essential, as English is our working language.
What you’ll do
We’re looking for a Senior On-Site SEO Specialist who can combine strategic thinking with hands-on execution across client websites. This role is for someone with strong on-site SEO expertise, solid technical SEO audit experience, and the ability to lead and execute SEO work across both traditional search and emerging LLM/GEO environments.
You should be able to connect content, structure, technical health, search performance, and business goals into one clear SEO approach. Strong spoken and written English is essential, as English is our working language.
What you’ll do
- Lead and execute SEO and GEO/LLM optimization across client websites to improve visibility in both search engines and AI-driven discovery environments
- Lead technical SEO work across complex websites, including large-scale, JavaScript-heavy, or multi-region setups
- Plan and manage SEO migrations from preparation through post-launch stabilization
- Run complex on-site and technical SEO audits, turning findings into clear, actionable recommendations
- Build long-term SEO roadmaps that balance quick wins with sustainable growth across technical, content, and authority-building areas
- Identify scalable growth opportunities through data analysis, competitor benchmarking, and organic search trends
- Define and improve content architecture and internal linking strategies across client websites
- Conduct keyword research to uncover high-impact opportunities for content expansion and optimization
- Work closely with our Digital Account Strategist, Off-Site SEO, and Content teams to support client success and account growth
- Communicate SEO findings, recommendations, and progress clearly and confidently to clients
- Stay on top of algorithm updates, industry changes, and evolving SEO best practices, and apply them proactively
- Contribute SEO expertise to proposals by helping shape realistic scopes and practical solutions
- Help improve internal SEO processes and ways of working to support quality and scalability across the agency
- 5+ years of hands-on SEO experience
- Strong expertise in on-site SEO, including the ability to lead and execute GEO/LLM optimization work
- Ability to adapt content, structure, and optimization strategies for both traditional search and AI-driven discovery environments
- Solid experience with SEO audits and implementation
- Good understanding of crawlability, indexation, rendering, internal linking, redirects, canonicals, XML sitemaps, and site structure
- Experience supporting or leading SEO during migrations, redesigns, or CMS changes
- Confidence working with developers and explaining technical issues clearly and practically
- Strong analytical thinking and ability to prioritize based on impact
- A track record of driving measurable organic growth in traffic, visibility, leads, revenue, or conversions
- Strong understanding of tools like Ahrefs, Screamfrog, SE Ranking and similar
- Strong spoken and written English
- Experience in iGaming, fintech, SaaS, or enterprise SEO
- JavaScript knowledge
- Schema / structured data experience
- International SEO experience
- Basic HTML/CSS understanding
- A CRO mindset and the ability to connect SEO work to wider business outcomes
- Hybrid work model with Mondays in the office
- Two additional remote days per week
- 30 Work From Anywhere days per calendar year
- 1 Personal Day per quarter
- 20 days of paid time off annually
- 1 additional PTO day for each year of service as a loyalty benefit
- Team buildings and an annual workation
- Friday quizzes to win a Wolt voucher
- Supplemental Health Insurance (after probation period)
- Salary: €3,000-€4,500 (keep in mind that we are open to discuss a different salary based on your proven expertise)
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