Senior Systems Infrastructure Technologist

Senior Systems Infrastructure Technologist

Job ID: 2618317

Location: Quantico, VA, United States

Date Posted: Oct 22, 2026

Category: Engineering and Sciences

Subcategory: Systems Engineer

Schedule: Full-Time

Shift: Day Job

Travel: Yes - 10% of the time

Minimum Clearance Required: Top Secret

Clearance Level Must Be Able to Obtain: TS/SCI

Potential for Remote Work: On-Site

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Job Description

Description

Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform the enterprise IT capabilities for the Defense Counterintelligence and Security Agency (DCSA). The Air Force, Space & Intel Business Group (AFSI) of SAIC is seeking a Senior Systems Infrastructure Technologist to support a transformational infrastructure program for DCSA.

SAIC is proud to be supporting DCSA in safeguarding our nation's information. DCSA is the designated oversight authority on the accreditation of classified facilities, information systems, and the insider threat program. This involves security oversight of more than 10,000 companies and approximately 13,000 facilities involved in classified work throughout the DoD and 31 Federal agencies.

Specifically, on the DCSA One IT program, SAIC will provide an enterprise IT solution that delivers highly secure and adaptable IT infrastructure, provide customer support, and cutting-edge technologies that support operations and advance the DCSA mission under a single IT environment (i.e., One IT).

Job Description

SAIC has an opening for a Senior Systems Infrastructure Technologist billet in Quantico, VA. SAIC is recognized as an IT leader in the military, intelligence and security spaces. This exciting opportunity to support the Defense Counterintelligence and Security Agency (DCSA) unique mission needs. We are seeking an individual who will be fully committed to the success of DCSA programs and to bringing the best innovation, implementation and best practices to the position.

Description of Duties:

The Senior Systems Infrastructure Technologist will serve as a primary technical authority for enterprise architecture and solution alignment. The primary requirement for this billet is to improve our ability to provide a holistic view and deeper level of technical understanding of how the different services integrate to provide mission enabling success for our DCSA customers.

Additional Duties:

• Leadership & Strategy: Lead major infrastructure projects, set technical standards, and mentor junior IT staff.

• Enterprise Architecture and Engineering: Develop and maintain technically sound infrastructure designs and ensure solutions are scalable, resilient, supportable, and aligned to enterprise requirements.

• Modernization and Lifecycle Management: Lead infrastructure modernization, migrations, technology refreshes, capacity planning, and lifecycle management while minimizing operational impact.

• Technical Integration: Coordinate dependencies across Windows, Linux, virtualization, storage, network, identity, cybersecurity, and enterprise management platforms.

• Security and Compliance: Incorporate DISA STIGs, vulnerability remediation, configuration baselines, RMF/ATO requirements, logging, monitoring, and security controls into infrastructure engineering activities and shifting those capabilities left if the lifecycle management process.

Qualifications

It is required that the Senior Systems Infrastructure Technologist have the following qualifications:

• Bachelor's degree in computer science, Information Technology, Computer Information Systems, Computer Engineering, Network Engineering, or related.
• Fourteen (14) years or more of experience, Work experience in the areas detailed in the Description of Duties of more than eighteen (18) or more years in lieu of a degree may be considered.
• Minimum 10 years of experience in enterprise IT architecture, preferably within federal or DoD environments.
• Must have an active Top Secret clearance with the ability to obtain a TS/SCI after starting.
• Strong understanding of DoD security postures, including NIST, RMF, and STIG compliance
• Familiarity with automation tools and frameworks (e.g., Ansible, Terraform, CI/CD pipelines)
• Excellent communication and stakeholder engagement skills, with the ability to translate technical concepts into government strategic outcomes.
• Experience in creating architectural models demonstrating how products, operations and systems interoperate within the organization
• Experience supporting or leading ATO/IATO processes from an architectural perspective.
• Deep knowledge of Linux, Windows, macOS, and virtualization tools like VMware.
• Experience managing hybrid cloud environments, firewalls, DNS, and storage area networks (SAN/NAS).

Certifications:

• Must have current IAT Level III certification: i.e., SecurityX/CASP+, CISSP, GCED, GCI, CCNP Security or equivalent.

Desired Certifications, Experience and/or Skills:

• Master's and twelve (12) years or more of experience; PhD or JD and nine (9) years or more of experience.
• Project Management Professional (PMP) Certification.
• Cloud certifications: Amazon Web Services (AWS), Microsoft Azure, Google Cloud, Oracle Cloud Infrastructure (OCI).
• Red Hat Certified Engineer (RHCE).
• ITIL 4/5 Foundation
• VMware Certified Professional - Data Center Virtualization (VCP-DCV).
• Experience supporting or leading the transitioning enterprises from IPv4 to IPv6.
• Experience supporting or leading Dell storage technologies.
• Proficiency in languages such as Python, PowerShell, and Infrastructure as Code (IaC) frameworks.

Target salary range: $200,001 - $240,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

Overview

SAIC accepts applications on an ongoing basis and there is no deadline.

SAIC is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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