Senior Cloud Systems Administrator Active Secret (TS Eligible)

GD Information Technology, Inc.; Fairfax (VA); Hybrid; USD 140,000 - 190,000; Full time

Benefits offered by this job

Medical, Dental, Vision

401(k) with match

Paid time off & holidays

Flexible work options

Job summary

General Dynamics Information Technology, Inc. seeks a Senior System Administrator to design, secure, and operate complex AWS, Linux, and Windows environments for a federal law enforcement customer.

The role requires a Secret clearance with eligibility for Top Secret, and leadership in mission-critical infrastructure projects. Responsibilities include modernization, automation, security controls, and collaboration with cross-functional teams to meet stringent compliance and evidence-handling

Qualifications

• Bachelor’s degree in Computer Science, IT, Cybersecurity, Engineering, or related field; or equivalent.

Responsibilities

• Architect, implement, and maintain secure, highly available AWS, Linux, and Windows Server environments for federal law enforcement systems.

Skills

AWS EC2

AWS GovCloud

AWS Systems Manager

Red Hat Ansible

RHEL

US Citizenship

Security Clearance

Linux system administration

Windows Server

Education

Bachelor’s degree in Computer Science/IT/Cybersecurity or related field

Tools

Terraform

CloudFormation

Ansible

Job description

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Amazon Elastic Compute Cloud (Amazon EC2), AWS GovCloud, AWS Systems Manager, Red Hat Ansible, Red Hat Enterprise Linux (RHEL) Certifications: None Experience: 6 + years of related experience US Citizenship Required: Yes

Job Description

At GDIT, people are our differentiator. As aSenior System Administratorsupporting afederal law enforcement customer, you will be trusted to lead the design, security, and operations of complex AWS, Linux, and Windows environments that enable investigative, intelligence, and case management missions. You will work on highly visible, mission‑critical systems where reliability, security, and performance directly impact public safety. The Senior System Administrator ensures systems meet stringent security, availability, and compliance requirements; leads major infrastructure initiatives; and provides technical guidance to peers and stakeholders across the law enforcement mission space at DOJ Homeland Security Task Force. Due to the sensitivity of information and systems involved, this position requires an active Secret clearance and the ability to obtain and maintain a Top Secret clearance.

How a Senior System Administrator will make an impact

• Architect, implement, and maintain secure, highly availableAWS, Linux, and Windows Serverenvironments supporting federal law enforcement mission systems.
• Leadmodernization and migrationefforts from legacy/on‑prem platforms to AWS and updated OS architectures, ensuring data integrity, evidentiary requirements, and chain‑of‑custody are maintained.
• Administer core enterprise services includingActive Directory, Group Policy, DNS, DHCP, file/print, and Linux-based servicesin classified and sensitive environments.
• Implement and maintainsecurity controls and hardeningaligned withNIST RMF, DISA STIGs, CJIS, FISMA, and agency-specific requirements; supportATO, audits, and continuous monitoring.
• Develop and maintainautomation and infrastructure‑as‑code(e.g., Terraform, CloudFormation, Ansible; Bash, PowerShell, Python) for provisioning, configuration, patching, and compliance.
• Design and managemonitoring, logging, backup, and disaster recovery/COOP solutions(e.g., CloudWatch, CloudTrail, SIEM) to ensure high availability, resiliency, and rapid incident response.
• Troubleshootcomplex system and infrastructure issues, perform root cause analysis, and drive corrective actions for mission‑critical outages or degradations.
• Collaborate withsecurity, network, application, and program teamsto translate law enforcement mission requirements into secure, scalable technical solutions and implementation plans.
• Prepare and maintaintechnical documentation, runbooks, and audit artifactsto support security assessments, inspections, and operational readiness.
• Serve as asenior technical escalation point and mentorfor other system administrators, promoting best practices in security, automation, and reliability across the team.

What you’ll need to succeed

Education & Experience

• Bachelor’s degree inComputer Science, Information Technology, Cybersecurity, Engineering, or related field; or equivalent combination of education and experience.
• 6+ yearsof hands‑onsystem administrationexperience with both Linux and Windows Server environments.
• 3+ yearsarchitecting and managingAWSinfrastructure, preferably in federal, defense, or law enforcement environments.

Clearance Active Secret clearancerequired. Eligibility and willingness to obtain and maintain a Top Secret clearanceper customer requirements.

Required Technical Skills

• AdvancedLinux administration(RHEL including SELinux), including system hardening, services, and automation.
• Strong, hands‑on experience withAWS servicessuch asEC2, VPC, IAM, S3, RDS, CloudWatch, security groups, NACLs, and AWS networking.
• Proficiency inscripting(Bash, PowerShell;Python preferred) for automation, orchestration, and tooling.
• Experience withinfrastructure-as-codetools (Terraform, CloudFormation, Ansible, or similar).
• Solid understanding ofnetworking(TCP/IP, VPNs, firewalls, load balancers, DNS) in secure, segmented environments.
• Experience implementingsecurity baselines and frameworks(DISA STIGs, CIS Benchmarks, NIST controls) and working with continuous monitoring tools.
• Familiarity withSIEM platforms and centralized loggingsolutions used to support investigations and incident response.
• Knowledge of secure handling, storage, and transmission ofsensitive and classified information.

Required Soft Skills

• Ability to work effectively withlaw enforcement stakeholders and leadership, translating mission needs into technical outcomes.
• Stronganalytical and problem‑solvingskills, especially under time‑sensitive or high‑pressure circumstances.
• Excellentwritten and verbal communicationskills, including documentation and briefings for both technical and non‑technical audiences.
• Proven ability tolead complex technical initiatives, prioritize multiple demands, and maintain focus on mission outcomes.
• High level ofintegrity, professionalism, and discretionin handling sensitive and classified data.

Preferred Qualifications

• Certifications such as: AWS Certified SysOps Administrator, Solutions Architect, or DevOps Engineer RHCSA/RHCEor equivalent Linux certification Microsoftcertifications in Windows Server or Azure Security certifications (Security+,CISSP,CISM,CASP+, or equivalent)
• Experience with: CJIS Security Policyimplementation and compliance Containerization and orchestration(Docker, Kubernetes, ECS/EKS) in secure environments
• Configuration managementtools (Ansible, Puppet, Chef) ApplyingCIS Benchmarks and DISA STIGsfor OS and cloud services
• ITIL-based service management, change control, and ticketing systems in federal environments
• Supporting systems atSecret and Top Secretlevels, including segmentation and cross‑domain considerations

The likely salary range for this position is $140,250 - $189,750. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours: 40 Travel Required: 50-75% Telecommuting Options: Hybrid Work Location: USA VA Fairfax Additional Work Locations:

Total Rewards at GDIT

• Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post‑tax dollars up to the IRS annual limits and receive a company match.
• To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
• To ensure our employees are able to protect their income, other offerings such as short and long‑term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
• We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans Opportunity Owned From working with technologies like AI, cyber and cloud to careers in intelligence and health, we offer endless opportunities to apply your expertise to create a safer, smarter world.

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