HiredNow AI
Diaconia LLC

Lead Systems Engineer/Architect

$150,000 to $180,000 a year

  • Springfield, VA

Found by HiredNow AI on Jun 30, 2026. Subscribers saw it first.

About the role

Description

We are seeking a
Senior Enterprise Architect / Technical Architecture Lead
to provide strategic technical leadership supporting Client mission systems, enterprise modernization, and architecture governance initiatives. This senior-level role serves as a trusted technical advisor to Government leadership, guiding enterprise architecture, modernization planning, systems integration, and technology strategy across multiple mission areas.
The successful candidate will lead the development of enterprise architecture products, evaluate emerging technologies, assess technical risks, and ensure alignment between mission objectives, engineering solutions, security requirements, and modernization roadmaps. This position plays a critical role in integrating architecture, engineering, data, cybersecurity, and governance activities supporting Client enterprise transformation efforts.

Key Responsibilities
Provide enterprise architecture and technical leadership supporting Client mission systems and modernization initiatives.
Develop and maintain current-state (As-Is) and future-state (To-Be) enterprise architectures.
Create architecture transition plans, technology roadmaps, reference architectures, and modernization strategies.
Lead technical assessments, architecture reviews, and evaluation of solution alternatives.
Analyze mission, business, operational, application, data, infrastructure, cybersecurity, and technology requirements.
Evaluate system dependencies, interoperability requirements, and enterprise integration impacts.
Conduct architecture impact analyses, technical feasibility assessments, and risk evaluations.
Support architecture governance boards, technical review boards, and executive decision-making activities.
Provide recommendations regarding emerging technologies, cloud adoption, systems integration, automation, and modernization approaches.
Collaborate with Government stakeholders, program managers, engineers, cybersecurity teams, and system owners to ensure enterprise alignment.
Develop architecture decision records, technical documentation, executive briefings, and engineering recommendations.
Support modernization planning across mission systems, cybersecurity, domain awareness, incident management, and enterprise platforms.
Provide technical leadership across multiple architecture domains including application, data, infrastructure, cybersecurity, business, and mission architecture.
Must be U.S. Citizen as required by our federal client.

Disclaimer "The responsibilities and duties outlined in this job description are intended to describe the general nature and level of work performed by employees within this role. However, they are not exhaustive and may be subject to change or modification at any time to meet the evolving needs of the organization.

Requirements

Minimum Qualifications Bachelor's degree in Computer Science, Engineering, Systems Engineering, Information Systems, Cybersecurity, Data Management, or a related technical discipline. Minimum 15 years of experience in one or more of the following:

Enterprise Architecture

Solution Architecture

Systems Engineering

IT Modernization

Systems Integration

Technical Leadership

Demonstrated experience leading complex technical initiatives within large enterprise environments.
Experience developing enterprise architecture products, reference architectures, transition plans, and technology roadmaps.
Experience evaluating technical alternatives, managing system interfaces and dependencies, and supporting architecture governance.
Experience advising executive leadership and Government stakeholders on technical strategy and modernization efforts.
Experience across multiple architecture domains including:

Application Architecture

Data Architecture

Infrastructure Architecture

Cybersecurity Architecture

Business/Mission Architecture

Preferred Qualifications
Master's degree in a related technical field.
Experience supporting TSA, DHS, transportation security, law enforcement, counterterrorism, or Federal CIO organizations.
Experience with enterprise architecture frameworks including:

TOGAF

FEAF

DoDAF

Familiarity with

DHS Systems Engineering Life Cycle (SELC)

FITARA reviews

NIST Cybersecurity Framework (CSF) 2.0

Experience with

ServiceNow

Ins-Pi / YouDesign

TBM

Proven Optics

SQL Server

SharePoint

Microsoft Power Platform

API/XML integrations

ETL processes

Enterprise architecture repositories

Preferred Certifications One or more of the following certifications is highly desirable: TOGAF FEAF DoDAF Certified Systems Engineering Professional (CSEP) CISSP Security+ ITIL Foundation Cloud certification (AWS, Azure, or Google Cloud) ServiceNow certification Enterprise Architecture certification

Apply at Diaconia LLC