Poly

Peraton•Annapolis Junction, MD

15h•Onsite

About The Position

Peraton is seeking a Cloud Administrator with TS/SCI w/Poly clearance to join our team. This role involves administering, configuring, and maintaining Linux-based operating systems and AWS cloud resources. You will collaborate with security officers to ensure compliance with agency-mandated requirements and maintain system security plans. The position requires extensive experience in system administration, cloud computing, scripting, and troubleshooting, with a strong understanding of Linux operating systems and enterprise architecture principles. The ideal candidate will be a self-starter, capable of working independently, mentoring junior team members, and leading complex technical efforts. Experience supporting mission-critical systems in an on-call environment is essential.

Requirements

Minimum of ten (10) years of experience in system administration and monitoring of large, distributed computing environments.
Minimum of ten (10) years of experience diagnosing and troubleshooting large-scale cloud computing environments, including distributed storage and data retrieval systems such as Hadoop, Cassandra, Scality, Swift, Gluster, Lustre, GPFS, Amazon Storage Services, or comparable big data or high-performance computing technologies.
Minimum of ten (10) years of experience developing and maintaining software scripts using languages such as Bash, Perl, or Python.
Minimum of ten (10) years of experience demonstrating a strong understanding of Linux operating systems, including user and group account management in LDAP and the configuration and administration of DHCP, DNS, and TFTP services.
Demonstrated experience using configuration management tools such as Puppet and Salt.
Expert-level knowledge of Linux PXE and network provisioning processes, including Anaconda Kickstart configurations, RAID controller utilities, TFTP images, and disk detection scripts.
Experience accessing, diagnosing, and troubleshooting systems using remote administration tools, including VNC, Serial over LAN (SoL), IPMI, and BIOS-level configuration utilities.
Strong understanding of enterprise architecture principles, including experience with OpenSSL and Java keystore management.
Expert-level troubleshooting experience with commodity hardware platforms, including previous experience supporting SGI and HP hardware environments.
Demonstrated ability to work effectively within a mission-focused team environment while following established standard operating procedures (SOPs), communicating effectively, accepting constructive feedback, and collaborating with senior technical staff.
Demonstrated ability to quickly learn and apply new technologies while leveraging technical mentorship and team resources to expand technical knowledge.
Proven ability to work independently on complex technical assignments while mentoring and training junior team members.
Demonstrated leadership skills, including the ability to plan, communicate, coordinate, and oversee complex technical efforts that require collaboration across multiple teams.
Experience supporting mission-critical systems in an on-call environment.
Willingness to participate in on-call rotations is required.
An active TS/SCI w/Poly is required.

Nice To Haves

Bachelor's degree in Engineering, Systems Engineering, Computer Science, Mathematics, or a related technical field is highly desired.

Responsibilities

Administer, configure, and maintain Linux-based operating systems, including Red Hat Enterprise Linux (RHEL) and Amazon Linux, while implementing and enforcing security controls and managing software and application configurations.
Collaborate with Information System Security Officers (ISSOs) and Information System Security Engineers (ISSEs) to manage agency-mandated compliance requirements, support compliance workflows, and ensure adherence to security policies and standards.
Maintain System Security Plan (SSP) compliance by configuring and managing vulnerability scans, monitoring and maintaining system logs, and implementing corrective actions and countermeasures to address identified vulnerabilities.
Manage and maintain AWS cloud resources, including EC2, RDS, S3, and serverless infrastructure, while administering cloud policies and permissions to ensure security, performance, and compliance.
Configure and support AWS networking components, including VPCs, network interfaces, API Gateways, and Route 53, while troubleshooting connectivity and infrastructure-related issues.
Support and maintain cloud-native technologies, including AWS Step Functions, ECS, and Lambda, to enhance application deployment, orchestration, and automation.
Implement and support enterprise authentication and authorization solutions using GATEKEEPER, CASPORT, PKI, and other agency-standard identity management technologies.
Configure, administer, and troubleshoot supporting technologies and tools, including Nginx, Podman, OpenSSL, PostgreSQL clients, and the AWS CLI.
Develop, maintain, and automate system administration tasks using configuration management tools such as Ansible and Puppet.
Utilize Git for source code management, version control, and collaboration across development and infrastructure teams.
Analyze, document, and troubleshoot data flows across multiple environments, including low-to-high data pipelines, while ensuring the integrity and secure movement of data between systems such as eVo and WandS.
Support mission-critical systems in an on-call environment and serve as the primary technical resource for troubleshooting and issue resolution.
Participate in on-call rotations.