Job ID: 24-03268

Senior Systems Administrator
Aberdeen Proving Ground, MD(Hybrid local preferred)

MUST:
Secret or TS Clearance required
Experienced Senior Systems Administrator
IAT Level II cert required (SSCP,CND,CYSP+, CCNA+Sec, GISP, GSEC, SEC+CE) etc
8 + years overall with 5+yrs recent relevant with: Webservices (IIS Apache, Apache Tomcat)
Strong RHEL required create scripts a good portion of job is creating scripts/ installing , configuring( linux ) based systems
Microsoft Windows Server Operating Systems (2019, 2022),Microsoft Windows 11
Citrix Netscaler
Virtual Desktop Infrastructure (VDI), Trellix
Directory of Services: Active Directory, DNS, Site and Services
Linux: RHEL, CentOS, Ubuntu
Database but not limited to: SQL, Postgres, MongoDB
VMWare, Git, SEIM: Graylog
Real-time monitor not limited to: Zabbix
Data Backup but not limited to: Veeam, Exagrid
Storage but not limited to: Netapp, 3PAR, Nimble
Single Sign On but not limited to: ADFS
Certificate Authority
Cloud Architecture (AWS & Azure),Cloud Engineering (Azure)
Azure DevOps Server / Azure DevOps
Terminal Servers
SE2 Technologies
GOTs/COTs products
Technical work experience required to sustain existing Environment using automated technologies such as JIRA, Confluence, GitLab, Bitbucket, Nexus, Jenkins, Selenium,
Fortify, SonarQube, CodeDX, MS Azure, Azure DevOps, Linux, Windows Server, Ansible, Terraform, Active Directory, and Amazon Web Services
BS Degree in Computer Science, Mathematics, or other Engineering or Technical discipline + 5 years of relevant experience all within the last 5 years.
relevant experience may be substituted for the degree. Plus Total 10 yrs experience.

DUTIES:
Performs administration, maintenance and support tasks necessary to ensure effective and efficient information technology (IT) system performance and security
Installs, configures, troubleshoots, and maintains server and systems configurations (hardware and software) to ensure their confidentiality, integrity, and availability
Administers server-based systems, security devices, distributed applications, network storage, messaging, and performs systems monitoring
Consults on network, application, and customer service issues to support computer systems security and sustainability
Maintains a systems cyber security posture to include scanning and remediation of cyber vulnerabilities
Performs risk analysis to identify threats, vulnerabilities and likelihood and impact of exploitation
Performs user support and problem resolution.
Understands, follows and promotes the values and principles in the Agile Manifesto
Understands, follows and promotes continuous cyber security risk management
Tasks: break/Fix support for the SE2 Infrastructure ,Support SE2 CSfC solution, Continuous improvement and automation of Domain Services
Collaboration within a cross-functional team for task execution
Automate software updates and provide support of OS/applications upgrades, ensuring that any manual repetitive tasks, such as application installation or upgrades, can best streamlined through the use of scripts, such as PowerShell or Ansible.
All scripts will be maintained in a SE2 repository.
Definition of technical requirements based on existing capabilities.
Participate in the continuous improvement of the customer-facing portal by offering recommendations, enriching content, introducing new content, and suggesting improvements to business process.
Documentation of processes or SOPs for future reference and service desk support.
Conduct an analysis and define future equipment needs, exploring the viability of an engineered solution where applicable.
Reporting and monitoring the health and performance of servers. Provide assistance for on-premises lab activities, encompassing hardware upgrade and maintenance support.
Provide management, monitoring, and resolution of infrastructure project tickets with automation focus.
Support systems sustained in the SE2 environment(s) (hybrid cloud, on-prem)
This is to include but not limited to: RBAC, Resource, analysts
Maintenance: Operating system upgrades. Application upgrades
Provision or deprovision
Application or security compliance
Assist in the migration of both pre-existing or new systems.
Technical work necessary to sustain existing SE2 Environment using automated technologies such as JIRA, Confluence, GitLab, Bitbucket, Nexus, Jenkins, Selenium,
Fortify, SonarQube, CodeDX, MS Azure, Azure DevOps, Linux, Windows Server, Ansible,
Terraform, Active Directory, and Amazon Web Services
Continuous technical support for addressing problems with connections/migrations.
Documentation of customer needs as functional and technical requirements.
Definition of technical requirements based on user stories or functional requirements.
Creation and maintenance of customer artifacts supporting lab agreements, interconnects, and maintenance support.
Document, review, and maintain infrastructure documentation to include but not limited to:
Hardware Warranty Contracts, Software Licenses/Contracts, Physical Server Lists, Virtual server lists, Floor Drawings, Rack diagrams, Cable diagrams, Power diagram, Access Control list, Servers/switch Passwords
Lab support include but not limited to: Open and Close Lab, Emergency events, IDS Testing, Provide support to RDIT Lab, Development and provision of reports directed by USG regarding the work performed on this Task Order

Quadrant is an affirmative action/equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, status as a protected veteran, or status as an individual with a disability.