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CACI International Linux Systems SME in Chantilly, Virginia

Linux Systems SME

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

What You Will Get To Do:

Our program has a critical need for a seasoned network administrator who thrives in managing all stages of the network life-cycle. Your demonstrated experience with ten plus years network management, systems administration and application of security best practices will make you an ideal candidate for this mission-facing role. Ability to ensure proper configurations are in place at all times is crucial to success.

Be part of a department with an expanding range of programs focusing on Cyber Operations, where you get to grow on and between programs with peers who are dedicated to advancing national security. Participate in fun team outings and team building events where you get to engage with your co-workers and expand your career network. We are a fun, engaging environment with a management team focused on growing your career and making you a part of our future. We offer bonus compensation plans that demonstrate you being appreciated for working on the program and being a part of our team. You'll get paid for cyber events and training, such as our Capture the Flag Events, Internal Research and Development opportunities as well as prepaid courses to nationally recognized certification courses to grow your career.

You Will Bring These Qualifications:

Proven ability to design and develop integrated network solutions using Linux and traditional appliance network devices.

Active Top Secret/SCI with required Polygraph .

10+ years Linux SME with the following skills:

LDAP in Linux environment

Understanding of Linux network security tools - (e.g. Metasploit, netcat, nmap, etc.).

Install new software releases and system upgrades

Evaluate and install patches and resolve software related problems

Experience with Linux Distros – CentOS, Ubuntu

Experience with running/updating REPOs

Experience with centralized authentication, auditing, logging and backups

Experience with Cron, iptables, permissions

Experience with OpenVPN, SELinux, NFS and CIFS

Experience with backups and restore

Ability to draw detailed diagrams, network mapping and write clear documentation

Proficient in hypervisor technologies such as HyperV, Proxmox, ESXi

Proficient in routing/switching technologies and the following skills:

Virtualization technologies: VMWare, vSphere, QEMU, Docker

Best practices for implementation with pfSense, Opensense, OpenVPN, Wireguard, IPSec

Data management interfaces: Splunk, Elasticsearch

Demonstrated ability to work effectively in a high-paced operational environment as part of a multi-disciplinary team.

Experience leading audit related efforts such as remediation and documentation

Ability to integrate and enhances database applications.

Experience conducting penetration testing and or red team exercises

Familiarity with MITRE ATT&CK framework, OWASP top 10, other

Understanding of network/cyber security, penetration testing, and information security practices.

Expert knowledge in Microsoft Infrastructure technologies – Windows 7, Windows 10, Windows Server 2012-16, LDAP, Active Directory, Group Policy, SCCM, WSUS, SQP, BitLocker.

These Skills Would Be Nice To Have:

Programming or shell scripting ability

Ability to successfully engaged with other organizations and non-technical audiences

What We Can Offer You:

- We’ve been named a Best Place to Work by the Washington Post.

- Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.

- We offer competitive benefits and learning and development opportunities.

- We are mission-oriented and ever vigilant in aligning our solutions with the nation’s highest priorities.

Company Overview:

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

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:

$94,400 - $198,300