Mark Guevara

Mark C. Guevara serves as a key procurement lead within the W6QK Acc-apg Cont Ct Software Sector under the Department of the Army, overseeing the acquisition of mission-critical software systems and information technology services that directly support Army modernization and battlefield communications. His responsibilities center on managing full lifecycle contracting for secure, scalable software solutions, including command and control platforms, data integration systems, and wireless infrastructure tailored for distributed tactical environments. Guevara ensures acquisitions align with DoD cybersecurity standards and operational readiness requirements, focusing on agile development, cloud-enabled architectures, and net-centric capabilities essential for modern warfare. He maintains strategic relationships with major defense and commercial IT contractors, including British Telecommunications Public Limited Company, Liberty Communications, Inc., and Southwest Industrial Contractors & Riggers, Inc., leveraging their expertise in enterprise software deployment, secure communications networks, and mission-critical systems integration. His contracting patterns reflect a preference for established vendors with proven track records in delivering complex, high-assurance IT solutions under tight operational timelines, often involving long-term service agreements and performance-based acquisition strategies. Guevara’s portfolio demonstrates a balanced approach to socioeconomic contracting, with approximately one-third of awards structured as total small business set-asides under FAR 19.5, indicating a deliberate commitment to expanding opportunities for small businesses in the defense software sector. While the majority of acquisitions remain open to all competitors, his consistent use of small business set-asides underscores a strategic effort to cultivate a diverse, resilient supplier base capable of supporting rapid innovation. His procurement focus is exclusively aligned with NAICS 541512 (Computer Systems Design Services), emphasizing custom software development, systems integration, cybersecurity architecture, and IT infrastructure modernization. He specializes in acquiring solutions that enable real-time data fusion, secure battlefield networking, and interoperable intelligence platforms, reflecting deep technical expertise in DoD IT modernization priorities and enterprise software lifecycle management.