System Administrator, Senior
$77.6k - $176kBooz Allen Hamilton
Job Number: R0246277 System Administrator, Senior The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve a critical technology supporting the Department of Defense (DoD)? We’re looking for a System Administrator to help us design, deploy, and maintain cross domain solutions for an enterprise environment that supports critical cybersecurity mission customers. As a Linux System Administrator on our project, you’ll constantly look for ways to make the infrastructure better using the latest technology and the best implementation strategies. You’ll recommend technologies and approaches to improve platform performance and security, comply with security controls, and achieve system availability and reliability requirements. You’ll provide your customers insight into their network through monitoring and performance management. Your technical expertise will be vital as you identify problem areas and opportunities for improvement in a mission critical network. You’ll help your team better understand the network by turning metrics into information and explaining their meaning. We focus on growing as a team, so you’ll share your expertise through leadership and mentoring as you help the team work through challenges and develop new methodologies. As a technical leader, you’ll identify new opportunities to modernize the network to help your customers meet their needs. Join our team and solve daily challenges as we improve enterprise cross domain services for our clients. Join us. The world can’t wait. You Have: 3+ years of experience with Red Hat Enterprise Linux or Rocky 3+ years of experience with Proxmox Experience with Git Experience managing systems using Infrastructure-as-Code technologies, including Salt, Ansible, Puppet, PowerShell, Chef, or Terraform Knowledge of Linux firewalls, Linux RPMs, networking configuration, and DNS TS/SCI clearance with a polygraph Bachelor’s degree in a CS or IT field and 5+ years of experience with systems or network administration, or 10+ years of experience with systems or network administration in lieu of degree Ability to obtain a DoD 8570.1 IAT Level II Compliant Certification within 60 days of start date Nice If You Have: Experience with AWS Experience with virtual infrastructure migrations Experience with Python Knowledge of bi-directional network transfer systems DoD 8570.1 IAT Level II Compliant Certification Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance with polygraph is required. Compensation At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $77,600.00 to $176,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date. Identity Statement As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud. Candidate AI Usage Policy AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided . Work Model Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility. Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility. Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law. #J-18808-Ljbffr
$92.3k - $166.85k
...Community customers as they address evolving national security challenges.About the OpportunityLeidos is seeking an experienced Senior System Administrator to support the implementation, operation, troubleshooting, and maintenance of IT systems and infrastructure. You will...SeniorFull time$146k - $234k
ResponsibilitiesMid-level Network / Desktop Administrator to support and maintain enterprise network and end-user computing infrastructure... ...and remediate vulnerabilities in response to IAVAs, ensuring systems remain compliant with security baselines and STIGs.Use CLI and...SeniorContract workRemote workShift work$77.6k - $176k
System Administrator, SeniorThe Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve a critical technology supporting the Department of Defense (DoD)? We’re looking for a System...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work$92.3k - $166.85k
Mid/Sr System Administrator Leidos has a new and exciting opportunity for a Mid/Sr System Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission...SeniorFull timeLocal areaImmediate startFlexible hours- ...FLASH Technology Group in Laurel, Maryland, seeks a System Administrator III with an active TS/SCI with Polygraph to join our Infrastructure team. You will work across OpenStack, AWS, and VMware, focusing on Linux VMs, security, and DevOps automation. Responsibilities...Senior
- ...Please do not apply if you do not currently possess this level of clearance.Telework: NoneBasic Requirements:20 years experience as a system engineerBachelor's degree in a technical discipline 5 additional years of experience as a system engineer may be substituted for a...SeniorImmediate startRemote work
- ...Omniscius Consulting is looking for an experienced Senior Systems Administrator in Laurel, MD, to manage and support the lifecycle of mission-critical applications. The ideal candidate will have strong backgrounds in Windows and Linux administration, cloud infrastructure...Senior
- ...Sr. Systems Administrator2HB Incorporated is seeking a Sr. Systems Administrator in order to support its government customer in Annapolis Junction, MD. This is a full-time position, and requires a TS/SCI/Full Scope Polygraph Clearance.2HB is seeking a candidate who shall...SeniorFull time
- ...MANTECH seeks a motivated, career- and customer-oriented Sr Cloud System Administrator to join our team in Annapolis Junction, MD. Our team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our...SeniorWork at office
- ...to sponsor an employment Visa. What You’ll Be Doing (We don’t love the bullet points, but we love the work!) As the System Administrator, you'll get to be responsible for providing network management and systems administration support to maintain the Agency’s High...SeniorVisa sponsorshipWork visa
- ...Senior System Administrator SITEC is seeking a Senior Systems Administrator to support lifecycle sustainment activities for commercial and custom-developed education, learning, and training applications. This role will join an existing technical team responsible for...Senior
$77.6k - $176k
...Job Number: R0232223 System Administrator, Senior The Opportunity Your technical expertise makes the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Department of Defense? We're looking for a System...SeniorLocal area- ...None Basic Requirements Security+ Cert 20 years experience as a system engineer Bachelor’s degree in a technical discipline 5... ...support across all levels (both in-person and via phone) Systems Administration: Linux Server administration alongside Windows 10/11 and Windows...SeniorFull timeImmediate startRemote workShift work
- ...Job Description Senior System Administrator (TS/SCI with Polygraph) Location: Annapolis Junction, Maryland Innovative System Solutions (ISSI) is seeking a Senior System Administrator with an active TS/SCI clearance with polygraph . This is an exciting...SeniorTemporary workLocal area
$128k - $160k
...Senior Systems Administrator Responsibilities & Qualifications RESPONSIBILITIES The Senior Systems Administrator is expected to be able to accomplish the following: Monitors and manages system resources, including CPU usage, disk usage, and response times to...SeniorContract workShift work$160k - $175k
...member has the opportunity to make a difference. Envision is seeking a motivated, career-oriented, and customer-focused Senior Systems Administrator to join our team at Annapolis Junction, Maryland . This is an onsite position. Primary Responsibilities:...SeniorHourly payContract workWork experience placement- ...Senior Systems Administrator Peterson Technologies has been the premier resource for mission-critical solutions through detailed analysis, strategic insight, extensive operational experience, and technical expertise. Today, we provide leading-edge data, network security...Senior
$146.67k - $249.33k
...Mid-to-Senior System AdministratorBAE Systems is a global leader in defense, aerospace, and security, dedicated to protecting those who... ...are seeking a highly skilled Mid-to-Senior System Administrator to manage and optimize a large, complex, and geographically...SeniorLocal area$77.6k - $176k
...System Administrator, SeniorThe Opportunity:Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve a critical technology supporting the Department of Defense (DoD)? We're looking for a System...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work- ...Vibrint is a trusted provider of mission-critical systems and analysis that transform our customers' capacity and capability... ..._____________________________________ We are seeking a Senior System Administrator for a funded role with quantifiable Linux system administration...SeniorTemporary workWork experience placementLocal areaImmediate start
$100k - $200k
...Mid/Sr System AdministratorAnnapolis Junction, MD Top Secret/SCI Polygraph Career Level not specified $100,000 - $200,000Job DescriptionThe Mid/Sr System Administrator will provide system administration support for a large, complex network environment with geographically...SeniorLocal area$170k - $220k
...Job Description The primary role of the System Administrator is to manage and support mission-critical IT infrastructure. This role involves day-to-day operations, troubleshooting, and maintenance across Windows and UNIX systems. You'll work directly with both hardware...SeniorPermanent employmentContract workWork experience placementLocal area$146.67k - $249.33k
...Environment The Opportunity Join a team where technical precision meets mission-critical execution. We are seeking a Senior Systems Administrator to take ownership of a sophisticated, geographically distributed network environment. If you are a driven...SeniorFull timeLocal area$190k - $210k
...Senior System Administrator Location: Annapolis Junction, MD Compensation Range: $190 -$210K Active TS/SCI w/ Polygraph needed to apply Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the...Senior$92.3k - $166.85k
...customers as they address evolving national security challenges. About the Opportunity Leidos is seeking an experienced Senior System Administrator to support the implementation, operation, troubleshooting, and maintenance of IT systems and infrastructure. You will...SeniorLocal areaImmediate start- ...We are seeking an experienced Senior Systems Administrator to support the lifecycle sustainment and modernization of mission-critical education, learning, and training applications supporting a Government enterprise. This role is ideal for an experienced systems administrator...SeniorFull time
$140k - $185k
...information theft and augment protections for our customers systems. If you are looking to join a company that provides... ...consider joining our team! Peterson is seeking a talented Senior Systems Administrator . Seeking an SA to provide support for the design, planning...Senior$110k - $115k
...digital age. TDI is seeking a Virtual Desktop Infrastructure Systems Administrator to support a DISA contract. The administrator will provide... ...active TS/SCI clearance. RESPONSIBILITIES: Provide Senior level expertise for Virtual Desktop Infrastructure (VDI)...SeniorPermanent employmentContract workWorldwide$115k - $145k
...Job Title: Senior Systems Administrator Company: Quotient (A VTG Company) Location: Remote (East Coast) Travel: 10% Position Type: Full-Time Employee Type: FTE Compensation Range: $115K - $145K Company Overview: Virtual Technologies Group...SeniorFull timeLocal areaRemote work$110k - $140k
We open closed systems. It's not just a slogan - it's our focus. We specialize in unraveling the complexities of IT systems to broaden... ...for our customers. Render is searching for a System Administrator to join a dynamic in-person team in a lab environment supporting...SeniorFull timeLocal area
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