Senior Enterprise Architect

Diné Development Corporation•Quantico, VA

15h

About The Position

Diné Development Corporation (DDC) is seeking a Senior Enterprise Architect to lead enterprise architecture across applications, cloud, cybersecurity, networks, infrastructure, data, integration, and IT operations. The role serves as the senior technical authority for support services spanning all contract task areas. In collaboration with the Program Manager and Alternate Program Manager, the architect provides technical oversight, establishes architecture standards across technical and functional teams, and directs configuration and change management. The position owns the architecture baseline and documentation, reviews proposed changes before Government approval, and leads modernization planning with client leadership. The architect provides technical direction for secure, mission-critical environments, including applications hosted in CloudOne (AWS GovCloud) at Impact Levels 4 through 6. The role partners with cybersecurity teams to incorporate RMF, DISA STIG/SRG, and secure host baseline requirements into designs and changes; advises client divisions on modernization and migration sequencing; and aligns architecture with IT portfolio management and capital planning, including ITIPS. The architect also serves as the contractor counterpart to Government Configuration Management and Engineering leads, briefing architecture, standards, and change and configuration performance to client leadership. DDC is a Navajo Nation–owned family of companies providing government agencies and commercial organizations with IT, professional, environmental, and research and development services. DDC is dedicated to empowering the Navajo Nation and the communities it serves. The position requires U.S. citizenship and an active Top Secret/SCI clearance or SCI eligibility.

Requirements

Expert knowledge of enterprise and solution architecture principles, architecture governance, systems engineering, technology road mapping, and lifecycle management.
Strong understanding of federal and DoD enterprise environments, including classified and unclassified networks.
Experience designing and governing secure cloud and hybrid-cloud solutions.
Proven expertise implementing AWS cloud services, virtualization, compute, storage, databases, networking, identity and access management, containers, Infrastructure as Code, and DevSecOps.
Familiarity with the Risk Management Framework, vulnerability management, SIEM, and continuous monitoring.
Experience applying DISA STIGs/SRGs and secure configuration baselines, and creating POA&Ms.
Understanding of Zero Trust architecture, network segmentation, identity-centric security, least privilege, encryption, and boundary-protection patterns.
Experience integrating enterprise platforms, applications, APIs, workflows, identity services, databases, reporting capabilities, and external systems.
Working knowledge of network and infrastructure architecture, including routing, switching, firewalls, software-defined networking, virtualization, storage, backup, disaster recovery, and continuity of operations.
Familiarity with configuration management, change management, Agile and Waterfall delivery, IT portfolio management, and ITIL-based service management.
Ability to analyze complex requirements and produce architecture diagrams, interface descriptions, technical standards, decision papers, implementation plans, and executive briefings.
Excellent written and verbal communication skills, including the ability to communicate with senior Government leaders and technical and nontechnical stakeholders.
Demonstrated experience leading architecture across three or more major domains, such as cloud, cybersecurity, applications, networks, infrastructure, data, or IT service management.
Experience developing architecture for highly available, mission-critical, geographically distributed, and security-sensitive environments.
Experience reviewing technical designs and guiding multidisciplinary teams through design, implementation, testing, deployment, sustainment, and modernization activities.
Bachelor’s degree in Engineering, Computer Science, Information Technology, Cybersecurity, Systems Engineering, Computer Engineering, or a closely related discipline, or equivalent professional experience in lieu of a degree.
Must be a U.S. citizen and have an active Top Secret/SCI clearance or be SCI eligible.
Must hold a DoD 8140 IAT Level III cybersecurity certification appropriate to the assigned work role and proficiency level.
At least 10 years of progressively responsible experience in enterprise IT, systems engineering, cloud engineering, cybersecurity, network engineering, application architecture, or related technical disciplines.
At least 5 years of experience serving as an Enterprise Architect, Solutions Architect, Chief Engineer, Lead Systems Architect, or comparable senior technical authority.
At least 5 years of experience in a Government position or contractor position supporting a Government agency where change management, configuration management, or IT systems engineering was a primary duty.

Nice To Haves

Experience with AWS GovCloud or Cloud One.
Experience working with networks in a USAF IT environment.
Master’s degree.
CISSP or CompTIA SecurityX/CASP+ certification.
DoD or DAF experience.

Responsibilities

Lead in setting architecture standards across all functional and technical support teams.
Develop and maintain physical and logical architecture diagrams for every client location and logical descriptions of cloud-based systems.
Perform and oversee IT systems engineering to design, build, and test IT solutions of varying scope across on-premises, cloud, and hybrid environments.
Provide architecture direction for applications hosted in CloudOne (AWS GovCloud) at Impact Levels 4 through 6, including Zero Trust, Infrastructure as Code, and DevSecOps practices.
Partner with cybersecurity teams to incorporate RMF, STIG/SRG, and Secure Host Baseline requirements into designs and changes, and maintain security architecture documentation.
Advise client divisions on modernization plans and sequencing, including service consolidation, application refactoring, and migrations across on-premises and cloud environments.
Align architecture with IT portfolio management and capital planning, including Enterprise Architecture relationships and investment data maintained in ITIPS.
Serve as the contractor counterpart to Government Configuration Management and Engineering leads.
Brief client leadership on architecture, standards, and change and configuration performance.
Own the architecture baseline and documentation, review proposed changes before Government approval, and lead modernization planning with client leadership.