Senior Systems Infrastructure Technologist

SAIC; Quantico (VA); On-site; USD 150,000 - 190,000; Full time

Job summary

SAIC is seeking a Senior Systems Infrastructure Technologist in Quantico, VA to support the DCSA program. You will drive enterprise architecture, modernization, and integration across Windows, Linux, virtualization, storage, and security controls.

You will lead major projects, mentor staff, and ensure solutions meet DoD RMF/ STIG requirements while coordinating with stakeholders to deliver mission-critical IT capabilities.

Qualifications

• Bachelor's degree or higher in a technical field; 14+ years of relevant experience; or 18+ years in lieu of a degree.
• Minimum 10 years in enterprise IT architecture, preferably federal/DoD.
• Active Top Secret clearance with ability to obtain TS/SCI. DoD security postures knowledge required.

Responsibilities

• Lead major infrastructure projects and set technical standards.
• Develop and maintain scalable, resilient infrastructure designs aligned to enterprise requirements.
• Modernize infrastructure, migrations, capacity planning, and lifecycle management with minimal operational impact.
• Coordinate dependencies across Windows, Linux, virtualization, storage, network, identity, cybersecurity, and management platforms.
• Incorporate DISA STIGs, RMF/ATO requirements, logging, monitoring, and security controls into infrastructure engineering.

Skills

DoD security posture

RMF & STIG compliance

Ansible

Terraform

CI/CD pipelines

Hybrid cloud

Linux/Windows/macOS

VMware

TS clearance eligibility

Identity management

DNS

SAN/NAS

Firewalls

Education

Bachelor's degree in Computer Science / Information Technology / Computer Engineering or related

Equivalent experience (14+ years) in lieu of degree

Tools

VMware

DNS

SAN/NAS

Firewalls

Identity management

Job 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

• 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