The phrase "as technical adviser" is correct and usable in written English.
It can be used when describing a role or position in which someone provides expert advice on technical matters.
Example: "She was appointed as technical adviser to help the team navigate the complexities of the new software implementation."
Alternatives: "in the role of technical consultant" or "serving as a technical expert."
Mr. Marcucci served as technical adviser.
He also served as technical adviser to the Brazilian Ministry of Education.
Platini worked for Blatter as technical adviser between 1998 and 2002, when he was elected to the FIFA and UEFA executive committees.
Although François Truffaut was credited as scriptwriter and Claude Chabrol as technical adviser, in fact their names were used to give credibility to their friend's enterprise.
A Mr. Jermy, frog trainer, who had acted as technical adviser on a frog-jumping sequence in the Mark Twain picture, was on hand.
Herrington served during World War II as technical adviser to the American Mission to India and as director of the American Medical Center for Burma.
Whether as technical advisers or frontline combatants, some are said to have come from the former Soviet Union but about 300 are reportedly from South Africa and nearing retirement age.
The team has hired the Islamic theologian Yusuf al-Qaradawi and Lord of the Rings producer Barrie Osborne as technical advisers.
Speaking after the screening Mercurio told the Guardian that none of the police standards departments in any UK force would act as technical advisers on the programme.
Today she's the top girl on Burton's team of junior snowboarders (the only such team in the industry), a collection of 13 miniprodigies known as the Smalls who also serve as technical advisers and models for Burton's burgeoning line of kids' clothing and gear.
Epidemiological and clinical evidence gathered about the disease led the Council of State and Territorial Epidemiologists, a collection of public health epidemiologists working as technical advisers to the CDC, to issue a case definition of the new disease in 2015 to help clinicians across the country recognize it.
