Linux System Administrator - Montgomery, United States - Workday

Workday Montgomery, United States

2 weeks ago

Description

Leidos is currently seeking an Linux System Administrator in support of the AFINC II contract for the highly visible 26th Network Operations Squadron (26 NOS) at Montgomery, Alabama, which provides a world-wide support mission.

The 26 NOS is responsible for the intranet support of the entire Air Force network.

The mission of the 26 NOS is to operate and defend the Air Force (AF) Enterprise computer network consisting of the AF Wide Area Network (WAN) routers, AF Network Increment 1 (AFNET Inc 1) Gateways, and the 26 NOS Local Area Network (LAN) assets.

Primary Responsibilities
Serve as Linux junior or mid-level systems administrator working within a team reporting to SME/Senior Linux team members operating in a 24x7 multi-enterprise networks environment

Provide support for mission critical applications; Monitor, troubleshoot, and analyze overall health of Red Hat Enterprise Linux infrastructure (RHEL) and/or other Unix-based OS

Manage, open, and remediate tickets (incident, problem, change, service requests, etc.) in accordance with 26 NOS policies and any Service Level Agreements (SLAs).

This encompasses any ticketing system used to record tickets utilized by 26 NOS personnel in support of mission requirements

Monitor, troubleshoot, and resolve hardware, software or network issues; coordinate with vendors for providing feedback and/or conducting break-fix actions or replacement of server hardware items

Monitor all activities of the network facilities and ensure high system availability

Maintain, update, develop and sustain technical documents, analyses, and reports

Provide technical support in all customer interaction situations, including receipt of specifications, design, test, and response to service requests.

Perform root cause analysis, recommend, and implement tactical and strategic solutions to problems

Ability to utilize remote access out-of-band management tools such as Red Hat Satellite, SSH, SCP, integrated Dell Remote Access (iDRAC), integrated Lights-Out (iLO), or KVM technologies

Ability to support 3rd party applications (NetBackup, ESS) and the implementation of Linux based security solutions across a variety of networks on physical and virtual environments

Familiarity with general networking topics such as SSL, load balancing, routing protocols, firewall rules, and ability to support/interact with McAfee Endpoint Security System (ESS) for RHEL

Ability to maintain valid system certificates, application certificates, F5 load balancing local traffic management (LTM) and two-factor authentication (2FA) within a smart card environment

Preferred experience utilizing vendor best practices for RHEL systems and secure management across multiple unclassified and classified network locations supporting Tenable products within Assured Compliance Assessment Solution (ACAS) including .

SC (SecurityCenter) and Nessus Scanner

Ability or experience in evaluating scan report data from Tenable Nessus; participate in the audit, review and response phases of the Vulnerability Management (VM) life cycle

Install and patch operating systems, applications, and document Department Information Systems Agency (DISA) Security Technical Implementation Guidelines (STIGs) checklists applicable to each Non-classified or Secret Internet Protocol (IP) Router Network (NIPRNet, SIPRNet)

Monitor, implement and/or create report dashboard designs, automated custom email report notifications, report log data repositories for each environment specific to the following audiences: Leadership & Executives; Cybersecurity Staff; and System Administrators

Ensure networks receive periodic updates from AFCYBER-released software patches, updates, and upgrades via Time Compliance Technical Orders (TCTO), Time Compliance Network Orders (TCNO), Maintenance Tasking Order (MTO) and Notices to Airman (NOTAMs)

Ensures external networks receive inventory data for compliance data DoD Enterprise Logging Ingest, NiFi, and Cyber Situational Awareness Refinery (ELICSAR) Big Data Platform (BDP)

Basic Qualifications
1 to 4 years hands-on experience

Prefer RHEL experience implementation or administration in a large-scale environment preferably overseeing daily, weekly, monthly functions and best practices

Prefer candidate with 2+ years of years of hands-on experience in Linux-based systems support with experience in mid-to-large data center environments and patch/update management
Demonstrated advanced diagnostics, analytical, troubleshooting skills

Preferred system hardening experience

Preferred experience with physical servers and in virtualized environments such as VMware vSphere's vCenter Server Appliance, ESXi hosts, virtual machines (VMs), deploying templates, host bus adapters (HBA) fiber connectivity, and/or VM/Host distributed resource schedules (DRS) groups/rules

Ability or experience with Linux based scripting such as: Ansible, Bash, Bourne, Perl, or Python

Knowledge of data communications, local-area networking (LAN), wide-area networking (WAN), servers, routers, switches, and firewalls
Network (Layer 2, 3) LAN/WAN knowledge and switches/routers

Thorough understanding of Internet Protocol (IP) routing, switching, and OSI model

Ability to lift, rack and provision government furnished equipment (GFE) servers

Technical degree, Associates or, Bachelor's degree in Computer Science/Information Systems, S.T.E.M. or 2-4 years' relevant experience in Information Technology preferably within systems or applications administration is acceptable

Required IA Certification:
CompTIA Security+ CE (Continuing Education) or GIAC Global Industrial Cyber Security Professional (GICSP) or (ISC)2 SSCP - Systems Security Certified Practitioner

One or more of the following CE/OS based technical certifications required: CompTIA Linux+ or Red Hat Certified System Administrator (RHCSA) or Linux Foundation Certified System Administrator (LFCS) or Linux Professional Institute LPIC-1, LPIC-2 or LPIC-3

Active Secret government security clearance required.

Preferred Qualifications
Possess refined critical thinking skills, should be a motivated self-starter, and multi-task capable

Good communication and interpersonal skills; Ability to follow policies and procedures

Ability to communicate in a clear speaking voice as well as the ability to respond clearly to questions

Aptitude to address negative situations and resolve them in a positive manner

Approach work tasks as diplomatic, adaptive to a dynamic environment, dependable and reliable

ITIL certification a plus

Splunk Core Certified User or Splunk Core Certified Power User

Pay Range:
Pay Range $54, $98,700.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary.

Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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