Senior Enterprise Architect

Diné Development Corporation; Quantico (VA); On-site; USD 120,000 - 160,000; Full time

Job summary

Diné Development Corporation (DDC) seeks a Senior Enterprise Architect to lead enterprise architecture across cloud, cybersecurity, networks, applications, and data. You will drive architecture standards, document baselines, and coordinate modernization efforts with client leadership.

Responsibilities include guiding design across on‑premises, cloud, and hybrid environments, ensuring secure, scalable systems and RMF compliance while aligning with IT portfolio management and investment data.

Qualifications

• Expert knowledge of enterprise and solution architecture principles.
• Strong understanding of federal and DoD enterprise environments.
• Experience designing and governing secure cloud and hybrid-cloud solutions, preferably within AWS GovCloud or Cloud One.
• Proven expertise implementing AWS cloud services, virtualization, compute, storage, databases, networking, IAM, containers, Infrastructure as Code, and DevSecOps.
• Familiarity with the Risk Management Framework, vulnerability management, SIEM, and continuous monitoring.

Responsibilities

• Leads in setting architecture standards across all functional and technical support teams.
• Develops and maintains architecture diagrams for each client location and cloud systems.
• Oversees IT systems engineering to design, build, and test IT solutions across on‑premises, cloud, and hybrid environments.
• Provides architecture direction for applications hosted in CloudOne (AWS GovCloud) at Impact Levels 4–6, including Zero Trust and DevSecOps practices.
• Partners with Cybersecurity teams to build RMF, STIG/SRG, and Secure Host Baseline requirements into designs and changes.
• Advices on modernization plans and sequencing across on‑premises and cloud environments.

Skills

Enterprise architecture

Solution architecture

Governance

Systems engineering

Cloud architecture

DevSecOps

Education

Bachelor's degree in Engineering/CS/IT

Master's degree preferred

Tools

AWS GovCloud

Infrastructure as Code

Job description

Position Overview: Seeking a Senior Enterprise Architect to lead enterprise architecture across multiple technology domains, including applications, cloud, cybersecurity, networks, infrastructure, data, integration, and IT operations. The Senior Enterprise Architect will serve as the senior technical authority of support services that spans all contract task areas. Alongside the Program Manager and Alternate Program Manager, provide technical oversight of the program; set architecture standards across the cloud, cybersecurity, network, systems, application, and service management teams; and direct the configuration and change management program. Own the architecture baseline and documentation, review proposed changes before Government approval, and lead modernization planning with client leadership.Responsibilities:Leads in setting architecture standards across all the functional and technical support teams.Develops and maintains physical and logical architecture diagrams for every client location, and logical descriptions of cloud-based systemsPerform and oversee IT systems engineering to design, build, and test minor to significant IT solutions 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 the Cybersecurity teams to build 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 the architecture with IT portfolio management and capital planning, including Enterprise Architecture relationships and investment data maintained in ITIPS.Serve as the contractor counterpart to the Government Configuration Management, and Engineering leads and briefs architecture, standards, and change and configuration performance to client leadership.Required Skills & Experience: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, preferably within AWS GovCloud or Cloud One.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, 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 effectively with senior Government leaders and both technical and nontechnical stakeholders.Experience working with networks in an USAF IT environment is desired.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.Education Level: Bachelor’s degree in Engineering, Computer Science, Information Technology, Cybersecurity, Systems Engineering, Computer Engineering, or a closely related discipline; Master’s degree preferred. Equivalent professional experience will also be considered in lieu of a degree.Clearance Requirements: Must be a US Citizen and have an active Top Secret/SCI clearance or be SCI eligible required. Certification Requirements: Must be certified at DoD 8140 IAT Level III cybersecurity certification appropriate to the individual’s assigned work role and proficiency level. CISSP or CompTIA SecurityX/CASP+ is preferredYears of Experience:10 or more 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 a contractor position supporting a Government agency, where change management, configuration management, or IT systems engineering was a primary duty; DoD or DAF experience is strongly preferredSalary Range: $120,000 to $160,000The compensation range listed for this position represents the good faith salary range Diné Development Corporation (DDC) and its subsidiaries reasonably expect to pay for the role, in accordance with applicable state and local pay transparency laws. Actual compensation will be determined based on a variety of factors, including the position's responsibilities, the candidate's education, experience, skills, internal equity, market considerations, and any applicable collective bargaining agreements or legal requirements.About UsDiné Development Corporation (DDC) is a Navajo Nation–owned family of companies that provides government agencies and commercial organizations with high-quality IT, professional, environmental, and research and development services. DDC is dedicated to empowering the Navajo Nation and the communities we serve.BenefitsEligible full-time employees receive a comprehensive benefits package, including medical, dental, vision, life and disability coverage, retirement savings with company match, and paid time off. Additional benefits include voluntary supplemental benefits, access to an employee assistance program, and educational assistance with tuition reimbursement.Equal Opportunity & Compliance StatementThis contractor and subcontractor shall abide by the requirements of 41 CFR 60-1.4(a), 60-300.5(a), and 60-741.5(a). These regulations prohibit discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities, and prohibit discrimination against all individuals based on their race, color, religion, sex, sexual orientation, gender identity, national origin, or for inquiring about, discussing, or disclosing information about compensation, or any other basis prohibited by law.We participate in E-Verify.DDC is committed to providing equal employment opportunities to all applicants and employees. If you require a reasonable accommodation to participate in the application or interview process, please contact Recruiting for assistance [e-mail]