\documentclass{article}
\usepackage{array}
\makeatletter
\newcolumntype{e}[1]{%--- Enumerated cells ---
   >{\minipage[t]{\linewidth}%
     \NoHyper%                Hyperref adds a vertical space
     \let\\\tabularnewline
     \enumerate
        \addtolength{\rightskip}{0pt plus 50pt}% for raggedright
        \setlength{\itemsep}{-\parsep}}%
   p{#1}%
   <{\@finalstrut\@arstrutbox\endenumerate
     \endNoHyper
     \endminipage}}

\newcolumntype{i}[1]{%--- Itemized cells ---
   >{\minipage[t]{\linewidth}%
        \let\\\tabularnewline
        \itemize
           \addtolength{\rightskip}{0pt plus 50pt}%
           \setlength{\itemsep}{-\parsep}}%
   p{#1}%
   <{\@finalstrut\@arstrutbox\enditemize\endminipage}}

\AtBeginDocument{%
    \@ifpackageloaded{hyperref}{}%
        {\let\NoHyper\relax\let\endNoHyper\relax}}
\makeatother

\newlength{\pcolwdth}
\begin{document}
\setlength{\pcolwdth}{5cm}% 
\begin{tabular}{li{\pcolwdth}}
2009--present & \multicolumn{1}{p{\pcolwdth}}{company 1} \\
              & \item editor                             \\
2011--2012    & \multicolumn{1}{p{\pcolwdth}}{company 2} \\
              & \item judge
                \item jury
                \item executioner                        \\
\end{tabular}
\end{document}