Systems Engineer/Administrator Lead
Company websitecaci.com (CACI, opens in new tab)
Base salary $131,800 to $290,000
Employer-published annual base salary, USD. Advertised base range in Danbury, CT
You apply on the employer's own site. Six Figure Work does not handle applications.
- LocationDanbury, CT
- WorkplaceOn-site
- Status at last checkSource accepting applications when checked
- Last checked (2 min ago) · observed since
About this job
The Opportunity:
CACI is seeking a Classified Systems Engineer\Administrator to support and maintain mission-critical classified information systems within a secure environment. This position combines systems administration, systems engineering and will be the site lead for Danbury, CT.
The ideal candidate will bring hands-on experience administering Microsoft Windows Server infrastructure, virtualization technologies, enterprise applications, storage platforms, identity and access management, and cybersecurity tools. This individual will work across technical and security teams to maintain system performance, address vulnerabilities, support configuration changes, and ensure classified systems operate in accordance with applicable DoD, DCSA, and NISPOM requirements.
Responsibilities:
- Install, configure, administer, maintain, and troubleshoot Microsoft Windows Server and Linux operating systems across classified environments.
- Manage virtualization platforms, including VMware, Microsoft Hyper-V, and Nutanix, ensuring system availability, performance, scalability, and security.
- Administer enterprise services and applications, including Microsoft Exchange and Microsoft SQL Server.
- Troubleshoot and resolve complex hardware, software, networking, operating system, application, and infrastructure issues across multiple classified networks.
- Manage enterprise storage platforms, including Pure Storage, Dell PowerVault, and Synology appliances.
- Administer Microsoft Active Directory, including classified user account provisioning, access modifications, permissions, Group Policy, DNS, and DHCP in accordance with applicable security requirements.
- Maintain accurate inventory, configuration, and accountability records for classified IT assets, removable media, hardware, and peripheral equipment in accordance with DCSA requirements.
- Prepare and submit Security Impact Analysis (SIA) packages for proposed hardware, software, system, and configuration changes and coordinate required approvals prior to implementation.
- Mentor junior technicians and system administrators, share technical knowledge, and support the development of consistent system administration practices.
- Collaborate with cybersecurity, engineering, infrastructure, and program teams to identify technical risks and implement secure, sustainable solutions.
- Participate in scheduled after-hours maintenance, system upgrades, incident response, and outage support as mission requirements dictate.
- Expert in Active Directory, group policies; Linux (preferably Redhat), Network working experience - Cisco, Datacenter, Firewalls.
- Proven experience in leading project, managing large teams, working with the leaders on the high-side.
Qualifications:
Required:
Active TS/SCI Poly.
Bachelor's degree in Information Technology, Computer Science, Systems Engineering, Cybersecurity, or a related discipline, or equivalent combination of education, technical training, certifications, and professional experience.
7+ years of relevant Systems Administration, Systems Engineering, or related enterprise IT experience.
CompTIA Security+ certification or another applicable DoD-approved cybersecurity certification.
Extensive experience administering Microsoft Windows Server environments, including installation, configuration, patch management, system maintenance, troubleshooting, and performance optimization.
Hands-on experience supporting virtualization technologies such as VMware, Hyper-V, and/or Nutanix.
Experience identifying and remediating system vulnerabilities and implementing security mitigations using enterprise vulnerability.
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:
$131,800 - $290,000CACI is an Equal Opportunity 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 other protected characteristic.
Source: CACI on Workday · View original posting (opens in new tab)
Pay in context
This role's base floor ($131,800) is above 20% of the 10,341 Software Engineering roles nationwide listed on this site; 16 others list the same floor. Their median floor is $160,360; the middle half runs from $140,000 to $191,000.
Only jobs on this site count, and each one publishes a base salary of $100,000 or more, so this compares six-figure jobs with each other, not with the whole market. Computed Nov 6, 2026.
This listingSystems Engineer/Administrator Lead$131,800 to $290,000
Technical Operator, Expert$131,800 to $290,000
Solutions Architect$131,800 to $290,000
ICAM STS System Engineer$131,800 to $290,000
Sr. Program Manager$131,800 to $290,000
Senior DevOps Software Engineer - Zero Trust ICAM$131,800 to $290,000
System Engineer (Multiple Levels)-TS/SCI with Poly$131,800 to $290,000
Chart as a table
| Role | Published base |
|---|---|
| Systems Engineer/Administrator Lead (this listing) | $131,800 - $290,000 |
| Technical Operator, Expert | $131,800 - $290,000 |
| Solutions Architect | $131,800 - $290,000 |
| ICAM STS System Engineer | $131,800 - $290,000 |
| Sr. Program Manager | $131,800 - $290,000 |
| Senior DevOps Software Engineer - Zero Trust ICAM | $131,800 - $290,000 |
| System Engineer (Multiple Levels)-TS/SCI with Poly | $131,800 - $290,000 |
Observed changes
- First observed on the employer's board
- Began meeting the published-salary criteria
- Observed since
- Employer-stated posting date
- 2026-10-26
Where this pay comes from
Location as the employer wrote it: Danbury, CT, US
$131,800 - $290,000
- Method
- Employer text, read with fixed rules and re-verified
- Checked
- Rule set
- us-base-v2
The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.
What we verified
- The pay figures come from the employer's own listing, quoted exactly above.
- The pay is an annual base salary in US dollars with a minimum of at least $100,000.
- The role was publicly listed on the employer's job board when last checked.
We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.
