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Tier III System Administration and Help Desk - TS/SCI with Poly - Wiesbaden, Germany

Req #: 244089
Location: International, DE
Job Category: Information Technology
Minimum Clearance Required: TS/SCI with Polygraph

Job Description

CACI is hiring for a cleared Tier III System Administration and Help Desk to provide problem identification, diagnosis, and problem resolution support of the Converged Infrastructure (CI) in support of Distributed Processing, Exploitation and Dissemination (DPED) for the Operational Intelligence Ground Station in support of Force Protection operations CONUS and OCONUS who will provide Tier 3 sustainment to the CI capability at the Pacific PED Service Center on Wiesbaden, Germany.

What You’ll Get to Do:

  • Responsible for resolving IT hardware and software infrastructure (servers, network, security, etc.) issues using systems analysis techniques and procedures to ensure appropriate function of hardware, software or system functional specifications. 

  • Analyze, troubleshoots and resolves issues with IT infrastructure including user systems, servers, storage and network connectivity. Provides system administration for assigned infrastructure and establishes and maintains security as it relates to users.

  • Apply security patches and operating system upgrades to ensure the security and integrity of the technical environment. 

  • Support new infrastructure projects and maintains all configuration documentation for assigned infrastructure. 

  • Provide onsite integration and engineering expertise in support of the DPED mission and ISR modernization to include information assurance (IA) support.

  • Provide immediate resolution to system issues associated to the thin client hardware or software architecture on a 24/7 basis.

System Administration: 24 x 7 system administrators with elevated privileges, to:

  • Administer physical and virtual Red Hat Linux servers, including server deployment, kernel compilation, operating system patching, component installation and configuration, and updating packages.

  • Manage servers in development, testing, and production environments, and web/application/database tiers while adhering to proper change management and security procedures.

  • Oversee troubleshooting and quickly resolve performance issues such as resource contention, I/O bottlenecks, and network connectivity.

  • Support servers/VMs in production servers. RPM and YUM package installations, system/server patches and upgrades, maintain NFS services in Linux. Backup and restore tools. Storage and Logical volume management.

  • Evaluate configurations, vulnerabilities, and risks in relation to the agency’s security model and industry standards.

  • Manage Apache Web Server configuration, virtual server creation, and SSL/TLS settings.

  • Recommend, schedule, and/or implement CI related repairs within the enclave environment.

  • Support actions to quickly resolve or mitigate IA problems for the enclave environment.

  • Support the installation of new or modified hardware, operating systems, and software applications ensuring integration with IA security requirements for the enclave

  • Examine enclave vulnerabilities and determine actions to mitigate them

  • Implement applicable patches including IA vulnerability alerts (IAVA), IA vulnerability bulletins (IAVB), and technical advisories (TA).

  • Coordinate and/or provide support for all enclave applications and operations

  • Recognize a potential security violation, take appropriate action to report the incident as required by regulation, and mitigate any adverse impact.

  • Manage accounts, network rights, and access to CI systems and equipment.

Cross Domain System Administration: Provide cross domain system (CDS) administration with elevated privileges, to:

  • Recommend, schedule, and/or implement CDS related repairs within the enclave environment.

  • Identify and remedy inefficiencies with systems and procedures, while delivering server tuning for application performance and capacity.

  • Apply technical knowledge in troubleshooting, system integration, and migration of Linux and/or Microsoft Windows operating systems.

  • Implement CDS applicable patches including IA vulnerability alerts (IAVA), IA vulnerability bulletins (IAVB), and technical advisories (TA).

  • Recognize a potential security violation, take appropriate action to report the incident as required by regulation, and mitigate any adverse impact

  • Manage accounts, network rights, and access to CDS systems and equipment.

Information System Security Officer: Perform the function of Information System Security Officer (ISSO) for the CI system installed and operational at Ft Shafter, HI.

  • Supervise or manage protective or corrective measures when an IA incident or vulnerability is discovered.

  • Ensure that IA security requirements are appropriately identified in computer environment operation procedures.

  • Ensure that IA and IA enabled software, hardware, and firmware comply with appropriate network environment security configuration guidelines, policies, and procedures.

  • Advise the Authorizing Official (AO) and CI System Owner (SO) of any changes affecting the network environment/enclave's IA posture.

  • Ensure IAT Levels I – III, IAM Levels I and II, and anyone with privileged access performing IA functions receive the necessary initial and sustaining IA training and certification(s) to carry out their IA duties.

  • Assist the supported IAM (INSCOM G7 IAM) in ensuring that a C&A package is prepared and maintained IAW DIACAP or RMF procedures.

  • Participate in monthly Change Control Board (CCB) meetings.

You’ll Bring These Qualifications:

  • An active DoD TS/SCI with Poly.

  • Bachelor Degree (preferable Engineering, Computer Science, Information Technology, or other related Technical Discipline).

  • 3 years experience working in discipline.

  • Experience in deploying and managing servers in a VMWare ESX virtual environment

  • Experience designing and administering high available/load balanced systems

  • Experience or more using shell, Ruby, Python, PHP, Bash, or automate daily OS level tasks and monitoring

  • Working knowledge with automation/management tools such as Ansible, Puppet, GitHub, and RedHat Satellite.

  • Working knowledge of DNS, SNMP, LDAP, SSH, and certificate management.

  • Experience with Information Assurance (IA) workforce that provides Converged Infrastructure System Administration, Cross Domain Systems Administration, and Information System Security Officer (ISSO) support.

  • Remain information assurance compliant, IAW AR 25-2 Chapter 3 and DoD 8570.01-M and be able to perform the following functions.

  • Required to attend engineering related technical reviews, exercise support, field test, preoperational reviews, training material reviews, and budget reviews in support of CI and DPED.

  •  Must possess the necessary training and certification is in accordance with DOD 8570.01-M.

  • IA Level: IAT II.

  • IA Level: IAM I.

A minimum of one or more of the following certifications is required:

  • Red Hat Certified System Administrator (RHCSA) or higher.

  • Giac Certified Unix Security Administrator.

  • LPIC-2: Linux Engineer.

  • LINUX+ CompTIA.

These Qualifications Would be Nice to Have:

  • 5-10 experience working in discipline.

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.

  • For over 55 years, the principles of CACI’s unique, character-based culture have been the driving force behind our success.

Job Location



CACI employs a diverse range of talent to create an environment that fuels innovation and fosters continuous improvement and success. At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. CACI is proud to provide dynamic careers for employees worldwide. CACI is an Equal Opportunity Employer - Females/Minorities/Protected Veterans/Individuals with Disabilities.

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