Tier 2 - System Administrator

CACI International; Maryland; On-site; USD 109,000 - 182,000; Full time

Job summary

CACI International in Annapolis Junction, MD is seeking a Tier 2 System Administrator to support the Remote Operations Team on the GREENWAY GES contract. This overnight role runs Wed-Sun from 10pm-6am and requires TS/SCI with Polygraph.

You will install, configure, and maintain systems, perform health checks, and implement security controls while collaborating with IT teams. A strong background in hardware and access management is expected.

Qualifications

• TS/SCI with Full Scope Polygraph is required.
• HS or GED with 15 years of experience or Bachelor’s with 10 years of experience.
• Hardware experience and system administration background preferred.

Responsibilities

• System Administration & Maintenance across servers, OS, and key applications.
• Apply patches, updates, and configuration changes under change management.
• Perform routine health checks, capacity planning, and performance tuning.

Skills

Hardware Experience

IAT Level 1

Education

HS or GED with 15 years experience

Bachelor's with 10 years experience

Tools

Remote Assistance

Remote Desktop

CompTIA A+ CE

CompTIA Network+ CE

Job description

Job Title: Tier 2 - System Administrator

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: None

Type of Travel: None

* * *

The Opportunity:

We are seeking a System Administrator 2 to work on the Contractor Site in Annapolis Junction, MD. This position will work with the Remote Operations Team on the GREENWAY GES contract. This is an overnight position, reporting Wed - Sun 10pm-6am.

Responsibilities:

• System Administration & Maintenance
• Monitor, manage, and maintain servers, operating systems, and key applications.
• Apply patches, updates, and configuration changes to systems in accordance with change management procedures.
• Perform routine system health checks, capacity planning, and performance tuning.

User Support & Troubleshooting

• Provide advanced technical support for escalated issues from help desk/Tier 1 teams.
• Diagnose and resolve system, application, and network-related problems.
• Assist with user account management, permissions, and access controls.

Implementation & Configuration

• Install, configure, and deploy new systems, applications, and tools.
• Assist in system upgrades, migrations, and integrations.
• Document system configurations, procedures, and standards.

Security & Compliance

• Ensure systems adhere to security best practices and organizational policies.
• Help implement and monitor security controls such as antivirus, endpoint protection, firewalls, and access management.
• Participate in audits, risk assessments, and remediation activities.

Monitoring & Reporting

• Use monitoring tools to track system performance, availability, and capacity.
• Respond to alerts, incidents, and outages, performing root cause analysis and corrective actions.
• Prepare reports on system health, incidents, and improvements for management.

Collaboration & Process Improvement

• Collaborate with IT teams (network, security, applications, help desk) on cross-functional initiatives and projects.
• Contribute to the development and refinement of IT processes, standards, and documentation.
• Provide input on technology selection and system architecture improvements.

Qualifications:

• TS/SCI with Full Scope Polygraph
• HS or GED with 15 years experience OR Bachelors with 10 years experience
• Hardware Experience
• Remote Assistance
• Remote Desktop
• IAT Level 1
• CompTIA A+ CE
• CompTIA Network+ CE

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 values the unique contributions that every employee brings to our company and our customers - every day. 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.

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.

The proposed salary range for this position is:

$86,600 - $181,800

CACI is anEqualOpportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any otherprotectedcharacteristic.