Pentagon CIO Office Names New Technical Advisor

The Pentagon has appointed Jon Steinbach as a strategic technical advisor to help modernize Department of Defense software.

Updated on Oct. 20, 2026 in People

Isometric editorial illustration of modular server components and cables, representing modern defense systems infrastructure.
The Department of Defense has appointed Jon Steinbach as a strategic technical advisor to oversee software modernization across its critical IT infrastructure. AI Illustration. Upload story photo >

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The Pentagon Chief Information Officer has appointed Jon Steinbach as a new strategic technical advisor. This move is part of a broader department restructuring aimed at updating IT infrastructure.

Why it matters

The appointment supports ongoing efforts to modernize the Defense Department's IT infrastructure and software systems. Bringing in experienced personnel is a key component of the office's recent reorganization strategy.

The Pentagon CIO office has added personnel to leadership and advisory roles to drive modernization. Staff roles include the principal deputy CIO and the chief information security officer.

The players

Jon Steinbach

He is a former member of the CIA, Special Operations Command, and the Marine Corps who now serves as strategic technical advisor to the Pentagon CIO.

Sonu Shankar

He serves as the principal deputy CIO within the Department of Defense office.

Aaron Bishop

He holds the position of Pentagon chief information security officer after his appointment in 2026.

Kenneth Nienhuser

He serves as the deputy chief of staff within the CIO office.

The details

Jon Steinbach joins the team after previously serving with the CIA, Special Operations Command, and the Marine Corps. He joins other leaders in the office, including Sonu Shankar and Kenneth Nienhuser, as part of the department's effort to update critical defense systems.

Timeline

  1. Aaron Bishop was appointed as the chief information security officer in 2026.

  2. The appointment of Jon Steinbach was confirmed in an announcement on October 20, 2026.

Market Landscape

This staff expansion aligns with the broader push to overhaul the Department of Defense's IT infrastructure and software modernization initiative. It highlights a shift toward integrating specialized veterans into civilian-led technical roles to accelerate system upgrades.

While these administrative appointments do not have immediate retail impacts, they signal ongoing changes in how the government manages its internal technology services. Readers interested in defense contracting or federal IT policy should note the changing leadership landscape.

The takeaway

The addition of experienced technical advisors reflects a priority on institutional knowledge within the military's IT sector. It emphasizes how the Pentagon is leveraging cross-agency experience to tackle its large-scale software modernization goals.

Further reading

For additional context on leadership shifts within the government, visit the United States People section.

Source note: This article includes information reported by SC Media.

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