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Communications of the ACM

Communications of the ACM

IT Skills in a Tough Job Market


The IT job market is no longer in a decline. The total number of available positions has increased almost 50% since April 2002, if Monster.com is a reasonable indicator. Only a year ago, the job market, according to popular sources, was much like the stock market in that it could not move up or down without running into itself. In a rising yet still weak job market, keeping an eye on the skills demanded is increasingly important.

This article identifies the most-sought IT job skills and examines the change in demand for these skills over a three-year period from April 2002 to April 2005. We used a systematic method to uncover the most important skills as demanded by employers (see "Data Collection for Most Demanded Job Skills"). IT professionals seeking re-employment and others fearing a change in their employment status may want to pay particular attention to these findings.

As shown in Figure 1, the need for Web-related development has changed the demand for programming skills. Web programming comprises a complex set of skills including both programming and scripting languages as well as meta-languages such as XML (more details are given in the sidebar). Not only has Web programming jumped into a commanding lead in the total number of jobs requiring programming skills, it is now mentioned in an impressive 42.6% of job ads. Figure 1 also shows that, contrary to expectations, the popularity of Java has not yet outstripped the demand for C++ and C# programmers, but the trend is in that direction.

The demand for Java seemed to be relatively steady between 2002 and 2004, but Java is now demanded in more than one-fifth of all jobs, which shows that Java has become a mainstream programming language. Similarly, SQL programming, which was mentioned as a skill in less than 15% of the jobs initially, is now demanded for more than one-fifth of the advertised jobs. While the demand for Visual Basic remained in single digits from 2002 until 2004, in 2005 it climbed into double digits at 11.4% of jobs. However, Visual Basic demand is not expected to experience more than slow growth in the future due to the growth in demand for .NET programming skills.

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.NET Winning in the Marketplace?

The percentage of jobs requiring .NET has grown more than 2-1/2-fold over the time period of the study. .NET skills now represent around 13% of the skills sought by IT employers. Although the growth in demand is to be expected because this is a new set of technologies, it is still impressive in a slow-growth job market. C++ and Java, however, remain strong and are experiencing the same growth in demand.

Operating systems. As illustrated in Figure 2, the demand for Unix and Windows skills seems to be holding steady, in contrast to Linux skills. The demand for Linux skills, although low in absolute terms, as the number of mentions in job advertisements was less than one-third of the number of mentions of Unix and Windows during 2005, seems to be increasing. Since Linux had been getting considerable attention as a viable enterprise-class operating system, it is interesting that, only two years ago, less than 5% of all advertised positions required Linux skills, whereas today, 13.6% note Linux skills. It is also worth mentioning that regardless of the operating environment, this skill is very important. If operating system skills are competing rather than complementary in advertised jobs, then over half of the 2005 job advertisements list skills in one of these three operating systems as necessary or desirable.

Database, ERP, and e-commerce server skills. The pattern of demand for database, ERP (such as SAP, Oracle, and PeopleSoft), and e-commerce server (such as WebLogic) skills is illustrated in Figure 3. Database skills are tightly coupled with these enterprise systems skills, at least in part because of the need to tune corporate databases to the requirements of the ERP and e-commerce server vendors.

Oracle is still the most demanded database skill, with over 22% of all positions requiring Oracle, and has maintained a commanding lead over other database skills. SQL server skills are growing in demand and represent the second most demanded database skill, being required in 16% of all IT jobs in 2005. (The demand for DB2 skills was less than 3% and is not shown in the figure.) The demand for ERP skills has grown from less than 8% in 2002, 2003, and 2004 to slightly over 13% in 2005.

E-commerce servers. A growing but still small demand for technical skills related to the various commerce servers is illustrated in Figure 3. Although the total demand is still under 9%, it is expected to continue the pattern of growth along with the e-commerce market.


Certification, which in most studies was found to be of only moderate importance to the certified person, now appears to give a candidate an edge in a tight job market.


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Certification Counts

In addition to the data shown in the figures, it was found that an average of 5% of all positions advertised required vendor or industry certifications. There seems to have been a slight increase over the study period in the demand for certification as the overall job market improved. This may be an indication that employers rely on certification as a differentiator when the market is weak but improving. Certification, which in most studies was found to be of only moderate importance to the certified person, now appears to give a candidate an edge in a tight job market.

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Conclusion

In an improving job market, it is increasingly important for IT professionals to be aware of the demand for specific skills. Professionals should also pay attention to the skills for which demand may be growing in order to better position themselves in the competitive job market. Web programming, Unix, C++, Java, SQL programming, and Oracle database seem to be the top six skills in the current job market. Each of these skills is demanded in at least 20% of advertised IT jobs. But don't plan your entire career based on these figures; rather, notice that some skills hang around for a long time, while others quickly mushroom. IT professionals can partially replicate the methodology presented here to keep abreast of changes in the demand for specific skills in their geographic area.

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References

1. Freeman, P. and Aspray, W. The Supply of Information Technology Workers in the United States. Computing Research Association, 1999.

2. Litecky, C.R., Prabhakar, B.K., and Arnett, K.P. MIS job market: Shaken, but not stirred. J. Syst. Manage. (July/Aug. 1996), 50–54.

3. Rada, R. IT skills standards. Commun. ACM 42, 4 (Apr. 1999), 21–26.

4. Sedbrook, T. and Warfield, M. The downturn in programmer demand: A wavelet analysis. J. Comput. Inf. Syst. 42, 3 (Spring 2002), 1–9.

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Authors

Bipin Prabhakar (bipin.prabhakar@uc.edu) is an assistant professor of information systems and director of information technology in the College of Business at the University of Cincinnati.

Charles R. Litecky (clitecky@cba.siu.edu ) is a professor of information systems at Southern Illinois University.

Kirk Arnett (karnett@cobilan.msstate.edu) is a professor of information systems at Mississippi State University's College of Business and Industry.

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Figures

F1Figure 1. Programming skills.

F2Figure 2. Operating system skills.

F3Figure 3. Database, ERP, and e-commerce servers.

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T1-1Table 1. Search categories for IT jobs.

T1-2Table 2. Query for skills search.

T1-3Table 3. Cities including metro vicinity used in the sampling.


©2005 ACM  0001-0782/05/1000  $5.00

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