Senior Systems Administrator

Job#: 2025011

Job Description

Title: Senior Systems Administrator

Location: Aberdeen Proving Ground, Maryland

Schedule: Monday through Friday - onsite 1 day per week

Job Type: 6 month contract to hire - 40 hour work weeks

Clearance Requirement: Active Secret clearance

Certification Requirement: Active CompTIA Security+

Interview Process: 2 virtual rounds

Target Start Date: ASAP

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

Qualifications

Able to lead a team by identifying the work required and appropriately delegating tasks to team members. Able to oversee work performed by others and ensure quality by identifying and correcting errors. A Bachelor’s Degree, in Computer Science, Mathematics, or other Engineering or Technical discipline + 5 years of relevant experience all within the last 5 years. Five (5) additional years of applicable experience with appropriate certifications/relevant experience may be substituted for the degree. (Total 10 yrs experience)

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 be 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 how-tos 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. Development and provision of reports directed by USG related to the work performed on this Task Order

Technologies include but not limited to

Webservices (IIS Apache, Apache Tomcat) 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

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 How to documentation

Lab s upport 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

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] or 844-463-6178 .

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

4400 Cox Road

Suite 200

Glen Allen, Virginia 23060

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Apex Systems.