Senior Cloud Systems Administrator Active Secret (TS Eligible)

Req ID: RQ231610

Type of Requisition: Regular

Clearance Level Must Be Able to Obtain: Top Secret

Public Trust/Other Required: None

Job Family: IT Infrastructure and Operations

Skills:

Amazon Elastic Compute Cloud (Amazon EC2),AWS GovCloud,AWS Systems Manager,Red Hat Ansible,Red Hat Enterprise Linux (RHEL)

Experience:

6 + years of related experience

US Citizenship Required:

Yes

Job Description:

At GDIT, people are our differentiator. As a  Senior System Administrator  supporting a  federal 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 available  AWS, Linux, and Windows Server  environments supporting federal law enforcement mission systems.

• Lead  modernization and migration  efforts 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 including  Active Directory, Group Policy, DNS, DHCP, file/print, and Linux-based services  in classified and sensitive environments.

• Implement and maintain  security controls and hardening  aligned with  NIST RMF, DISA STIGs, CJIS, FISMA , and agency-specific requirements; support  ATO, audits, and continuous monitoring .

• Develop and maintain  automation and infrastructure ‑ as ‑ code  (e.g., Terraform, CloudFormation, Ansible; Bash, PowerShell, Python) for provisioning, configuration, patching, and compliance.

• Design and manage  monitoring, logging, backup, and disaster recovery/COOP solutions  (e.g., CloudWatch, CloudTrail, SIEM) to ensure high availability, resiliency, and rapid incident response.

• Troubleshoot  complex system and infrastructure issues , perform root cause analysis, and drive corrective actions for mission‑critical outages or degradations.

• Collaborate with  security, network, application, and program teams  to translate law enforcement mission requirements into secure, scalable technical solutions and implementation plans.

• Prepare and maintain  technical documentation, runbooks, and audit artifacts  to support security assessments, inspections, and operational readiness.

• Serve as a  senior technical escalation point and mentor  for 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 in  Computer Science, Information Technology, Cybersecurity, Engineering , or related field; or equivalent combination of education and experience.

• 6+ years  of hands-on  system administration  experience with both Linux and Windows Server environments.

• 3+ years  architecting and managing  AWS  infrastructure, preferably in federal, defense, or law enforcement environments.

Clearance

• Active Secret clearance  required.

• Eligibility and willingness to obtain and maintain a Top Secret clearance  per customer requirements.

Required Technical Skills

• Advanced  Linux administration  (RHEL including SELinux), including system hardening, services, and automation.

• Strong, hands-on experience with  AWS services  such as  EC2, VPC, IAM, S3, RDS, CloudWatch , security groups, NACLs, and AWS networking.

• Proficiency in  scripting  (Bash, PowerShell;  Python preferred ) for automation, orchestration, and tooling.

• Experience with  infrastructure-as-code  tools (Terraform, CloudFormation, Ansible, or similar).

• Solid understanding of  networking  (TCP/IP, VPNs, firewalls, load balancers, DNS) in secure, segmented environments.

• Experience implementing  security baselines and frameworks  (DISA STIGs, CIS Benchmarks, NIST controls) and working with continuous monitoring tools.

• Familiarity with  SIEM platforms and centralized logging  solutions used to support investigations and incident response.

• Knowledge of secure handling, storage, and transmission of  sensitive and classified information .

Required Soft Skills

• Ability to work effectively with  law enforcement stakeholders and leadership , translating mission needs into technical outcomes.

• Strong  analytical and problem ‑ solving  skills, especially under time‑sensitive or high‑pressure circumstances.

• Excellent  written and verbal communication  skills, including documentation and briefings for both technical and non‑technical audiences.

• Proven ability to  lead complex technical initiatives , prioritize multiple demands, and maintain focus on mission outcomes.

• High level of  integrity, professionalism, and discretion  in handling sensitive and classified data.

PREFERRED QUALIFICATIONS

• Certifications such as:

• AWS Certified SysOps Administrator, Solutions Architect, or DevOps Engineer

• RHCSA/RHCE  or equivalent Linux certification

• Microsoft  certifications in Windows Server or Azure

• Security certifications ( Security+ ,  CISSP ,  CISM ,  CASP+ , or equivalent)

• Experience with:

• CJIS Security Policy  implementation and compliance

• Containerization and orchestration  (Docker, Kubernetes, ECS/EKS) in secure environments

• Configuration management  tools (Ansible, Puppet, Chef)

• Applying  CIS Benchmarks and DISA STIGs  for OS and cloud services

• ITIL-based service management , change control, and ticketing systems in federal environments

• Supporting systems at  Secret and Top Secret  levels, 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.

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.

Join our Talent Community to stay up to date on our career opportunities and events at https://gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans