以下是某跨国公司在招聘SEO/SEM部门主管关于工作职责的详细内容，对引导及规范SEO团队的建设非常有帮助。总的来说，SEO/SEM主管的角色是为公司提供搜索引擎营销策略上的制定及调整，目的是提高团队成员的执行效率及提升网站的搜索引擎流量和转化率。

1. Keep up to date Search Engine Marketing knowledge of theories and tactics. Monitor latest publications, industry news and discussions. Adapt while web trends and search engine algorithm change.

2. Design weekly, monthly and quarterly SEO/SEM tactics and its implementation for the team.

3. Explore new SEO strategies.

4. Data-mining of search engine statistics, user behavior.

5. Develop test strategies to refine and improve ROI. Identify core insights to drive web traffic at low cost.

6. Lead and execute several marketing campaigns in parallel. Manage, review and keep subordinate's SEO/SEM performance on track.