Senior System Administrator

Senior System Administrator

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI

Employee Type: Regular-Long Term Assignment

Percentage of Travel Required: Up to 10%

Type of Travel: Local

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Job Description

Are you interested in continuing your career in Europe in a mission focused environment? CACI has established and upcoming positions throughout the European theater supporting multiple customers for the Department of Defense. We are looking for experienced, innovative and motivated IT Specialists to support enablement US EUCOM's mission objectives.

Job Summary

As a Senior Windows Systems Administrator, you will play a crucial role in managing and maintaining our enterprise Windows environment. You will also be responsible for designing, implementing, and managing CI/CD pipelines using GitLab. A significant part of your role will include reviewing, cleaning up, and streamlining our comprehensive Group Policy Objects (GPOs) to ensure optimal performance and manageability. Additionally, you will help establish and enforce policies, processes, and documentation standards to improve our operational efficiency and effectiveness. This includes implementing Markdown-based guides for server deployment, STIG remediation, GPO cleanup, and script version controlling. Your expertise will ensure the reliability, security, and efficiency of our Windows environment and automation systems.

Key Responsibilities

• Active Directory Management: Administer, manage, and support Active Directory services including user accounts, group policies, and security configurations.
• Windows Server Administration: Install, configure, and maintain Windows Server environments, ensuring optimal performance and reliability.
• GitLab CI/CD Automation: Design, implement, and manage CI/CD pipelines using GitLab to streamline and automate deployment processes.
• GPO Cleanup and Optimization: Review, clean up, and streamline existing Group Policy Objects (GPOs) to improve system performance and manageability.
• System Security: Ensure the security of Windows systems through regular updates, patch management, and vulnerability assessments.
• Documentation and Standardization: Develop and maintain Markdown-based guides and guidelines for server deployment, STIG remediation, GPO cleanup, and script version controlling.
• Process Improvement: Establish and enforce policies and processes to improve operational efficiency and effectiveness.
• Monitoring and Troubleshooting: Proactively monitor system performance, identify issues, and perform troubleshooting to ensure system stability.
• Collaboration: Work closely with the engineering team, other IT teams, developers, and stakeholders to ensure seamless integration and operation of systems and services.
• Mentorship: Provide guidance and mentorship to junior team members, fostering a culture of learning and growth within the team.

More about the Role:

The successful candidate must be able to communicate clearly and succinctly both written and orally, and present products and ideas in a business-like manner.  The candidate will be required to work in dynamic fast paced environments that require team interaction and coordination of efforts.  The candidate must be experienced in interfacing with both client managers and system users.

Specifically, Systems Administrator (SA) will be responsible for supporting systems and applications on a geographically dispersed Enterprise network with multiple types of servers and server applications. The SA will be responsible for system administrator functions supporting a global Active

Directory infrastructure in a mixed platform environment.   The SA will

provide senior level knowledge and Tier 1/2/3 support to the customer and their components to include Tier 1/2/3 infrastructure troubleshooting and support that involves the configuration and administration of servers in their area of operation.

Additionally, the SA will provide remote support and/or travel to customer servers and sites as required.  The ideal candidate will have experience maintaining and supporting network devices consisting of primarily Cisco routers and switches.  Using this knowledge the system administrator will be successful in providing necessary administration and maintenance support of this system.

Ensures the security of business systems and applications, mitigating new vulnerabilities to meet the latest Cyber/IA requirements. Reviews and prepares documentation for systems, tests and installation of software.

Investigates and recommends methods and techniques for obtaining solutions.

Administers systems/environment solutions for multiple projects with varying schedules. Interfaces with vendors for trouble calls. Supports the planning of system/environment requirements for individual projects.  May provide work direction and guidance to others.

Required Qualifications

• Education: Bachelor’s degree in Computer Science, Information Technology, or a related field or related experience (9 years I believe for TESA) with qualification under TESA. 
• Experience: Minimum of 5 years of experience in Windows Systems Administration.
• Skills:
  • In-depth knowledge of Active Directory, Windows Server, and related technologies.
  • Extensive experience with GitLab and CI/CD pipeline automation.
  • Strong scripting skills (PowerShell, Python, etc.).
  • Familiarity with network protocols and services (DNS, DHCP, TCP/IP).
  • Experience with virtualization technologies (VMware, Hyper-V).
  • Knowledge of security best practices and tools.
  • Proven experience in documentation and process improvement.
• Certifications: Relevant certifications such as Microsoft Certified: Windows Server Hybrid Administrator Associate, Microsoft Certified: Azure Solutions Architect Expert, or similar. CASP+, CISSP or relevant IAT Level III certification.
• Clearance: Ability to obtain and maintain a DoD security clearance.

Preferred Qualifications

• Familiarity with Linux systems administration.
• Knowledge of cloud platforms (Azure, AWS).
• Familiarity with containerization technologies (Docker, Kubernetes).
• Familiarity with configuration management tools (Ansible, Chef, Puppet).

Personal Attributes

• Strong analytical and problem-solving skills.
• Excellent communication and teamwork abilities.
• Self-motivated with a proactive approach to tasks.
• Ability to manage multiple tasks and projects simultaneously.

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What You Can Expect:

A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

CACI takes pride in fostering a diverse and accessible culture where every individual feels supported to chart their own path. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

Your potential is limitless. So is ours.

Learn more about CACI here.

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Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Learn more here.

The proposed salary range for this position is:

$75,200 - 158,100 USD

CACI is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, age, national origin, disability, status as a protected veteran, or any other protected characteristic.