Senior Linux Administrator

Job description

**Req ID:** RQ204965
**Type of Requisition:** Regular
**Clearance Level Must Be Able to Obtain:** Secret
**Public Trust/Other Required:** None
**Job Family:** IT Infrastructure and Operations
**Skills:**
Disaster Recovery (DR),Linux,Red Hat Ansible,Red Hat Enterprise Linux (RHEL),Security Technical Implementation Guides (STIGs)
**Certifications:**
CompTIA Security+ CE Certification - CompTIA - CompTIA
**Experience:**
10 + years of related experience
**US Citizenship Required:**
Yes

**Job Description:**

We are GDIT.

We stay at the forefront of innovation to solve complex technical challenges.

GDIT is your place.

Make it your own by discovering new ways to apply the latest technologies securely and expertly.

Own your opportunity at GDIT and you’ll be a meaningful part of improving how agencies operate.

Our work depends on a Project Manager joining our team to support the Guard Enterprise Cyber Operations Support (GECOS) program in Falls Church, VA.

This is an IT Service Management contract in support of the operation, modernization, expansion, and further evolution of the ARNG’s global Information Technology (IT) services including networking, compute, storage, infrastructure, applications, hosting, and program management services.

The GECOS program supports the ARNG enterprise IT infrastructure, its Wide Area Network (WAN), authentication and directory services, cybersecurity, application hosting, and associated services.

GECOS uses ITIL best practices framework as the basis for IT Service Management (ITSM) model.

**HOW A SENIOR LINUX ADMINISTRATOR WILL MAKE AN IMPACT:**

+ Provide system administration support for Linux operating systems including installing software, applying patches, managing file systems, monitoring performance, and troubleshooting alerts from monitoring tools.
+ Analyzes and resolves problems associated with the operating system, servers, hardware, and applications software.

Detects, diagnoses, and reports related problems on servers, including system failure analysis and recovery, insuring the consistency and integrity of file systems.
+ In-depth hardware configuration knowledge, shell programming expertise, and a solid understanding of standard concepts, practices, and procedures.

Relies on experience and judgment to plan and accomplish goals, performs a variety of tasks, and works under general supervision.
+ Responsible for daily monitoring of interface programs between multiple enterprise systems; review daily logs and ensure successful completion.
+ Perform incremental and full cold backups/patching.
+ Responsible for DoD Linux Security Technical Implementation Guides (STIGs).
+ Provide performance metrics and usage charts, including CPU usage, disk usage and network uptime for the Linux Servers.
+ Provide general maintenance, upgrades, and new installation of servers and coordinate with data center personnel to execute.

Document and generate business processes for day-to-day and emergency support procedures.
+ Install, test, and verify Linux Security patches; coordinating, documenting requirements and timelines, and working closely with service owners.
+ Perform systems security administration functions, including creation and maintenance of customer profiles and accounts.
+ Responsible for creating and/or maintaining standard operating procedures for the Linux documentation library.
+ Implement, configure, update, and maintain Ansible servers and scripts.
+ Implement, configure, update, and maintain STIG Manager servers and scripts.
+ Implement, configure, update, and maintain the Linux operating system firewall.
+ Experience in handling NFS, CIFS, and SMB permissions.

**WHAT YOU’LL NEED TO SUCCEED:**

**Education/Equivalent Training Required:**

+ High school diploma or AA.

Preferred - Bachelor’s degree in information technology, computer science or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.

**Required Experience:**

+ 10+ years of overall demonstrated experience as a RHEL 7 and/or RHEL 8 Servers

**Required Technical Skills Requirements:**

+ Experience managing RHEL 7 and RHEL 8 Linux servers
+ Highly versed in Linux administration and best practices
+ Familiar with enterprise network architectures
+ Experience with automated configuration management (Ansible, Puppet, Chef, etc.)
+ Familiar in programming/scripting skills for automation (Bash, Ruby, Python, Perl, etc.)
+ General understanding of Linux internals (system calls, file systems, processes, etc.)
+ General understanding of TCP/IP and related protocols (HTTP, FTP, NFS, etc.)
+ Experience with PowerShell scripting engine to automate tasks.
+ Excellent problem solving, analytical, and decision-making capabilities, including understanding user requirements, troubleshooting technical issues, successfully resolving issues and challenges, and developing creative solutions for process improvement.
+ Dependability, in that the individual is consistently at work and on time, follows instructions, responds to management direction, and solicits feedback to improve.
+ Must have customer service experience as this position will require candidate to engage with senior military and government leadership.
+ Must be able to present your ideas clearly through briefings, meetings, and interaction with leadership of different skill sets.
+ Must be able to provide training sessions as required.
+ Must be able to engage with stakeholders to ensure tasks are progressing and meeting timelines.
+ Excellent communication, documentation, organizational, and collaborative skills
+ Strong teamwork and engagement as a project team member.
+ Ability to assimilate information rapidly, motivated to self-study new requirements.
+ Maintain current industry knowledge of relevant concepts, practices, and procedures.
+ Maintain and upgrade certifications.
+ Other duties may be assigned, directed, or requested.

**Certification Requirements:**

+ Must Possess the appropriate baseline certification(s) to achieve DoD 8570.01-M Information Assurance Technical (IAT) Level II (CompTIA Security+ ce) and additional Computing Environment (CE) certification (RHEL7 and/or RHEL 8) When 8140 requirements are implemented on program/contract, employee will need to conform to 8140 certification standards.

**Security Clearance Level Requirements:**

+ Must have a minimum of an active Secret clearance at time of interview and candidate must maintain active clearance.

**Location:**

+ Falls Church, Virginia
+ Hours and days TBD upon hire.
+ Three (3) days onsite with up to two (2) days telework.

Onboarding/transition in period requires on-site support up to 60 days.

GECOS work schedules are subject to change on direction by mission requirements from GDIT or USG leadership.

**Travel:**

+ Up to 10%.

Travel may include attending conferences up to two times annually and site visits as needed.

#GDIT #GECOS

The likely salary range for this position is $108,979 - $147,443.

This is not, however, a guarantee of compensation or salary.

Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match.

To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.

To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.

We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.
We are GDIT.

A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community.

Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation.

We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development.

Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.
Join our Talent Community to stay up to date on our career opportunities and events at https://gdit.com/tc.
Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Required Skill Profession

Other General