System Administrator, Senior
$77.6k - $176kBooz Allen Hamilton
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 Administrator to help us design, deploy, and maintain Enterprise 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 Rocky3+ years of experience with ProxmoxExperience with GitExperience managing systems using Infrastructure as Code technologies, including Salt, Ansible, Puppet, PowerShell, Chef, or TerraformKnowledge of Linux firewalls, Linux RPMs, networking configuration, and DNSTS/SCI clearance with a polygraphBachelor'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 degreeAbility to obtain a DoD 8570.1 IAT Level II Compliant Certification within 60 days of start dateNice If You Have:Experience with AWSExperience with virtual infrastructure migrationsExperience with PythonKnowledge of bi-directional network transfer systemsDoD 8570.1 IAT Level II Compliant CertificationCompensationAt 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 StatementAs 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 PolicyAI 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 Our people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.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-DiscriminationAll 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.
$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- ...Senior System Administrator Location Columbia, MD Job Code 2215 of Openings 1 Apply Now ( DCCA is a veteran-owned IT business specializing in providing innovative solutions to a variety of government agencies and commercial enterprises since 1982. DCCA is proud...SeniorFlexible hours
- A leading cybersecurity firm is seeking a System Administrator in Maryland to manage enterprise IT systems and infrastructure. The ideal candidate must possess a Bachelor's degree in a technical discipline, a TS/SCI + Full Scope Polygraph clearance, and a minimum of 15...Senior
$190k - $205k
We are searching for a mission-driven HPC System Administrator to support the installation, configuration, and networking of UNIX and/or NT-based platforms.You'll be responsible for enterprise services such as DNS, NFS, e-mail services, security protection mechanisms,...SeniorContract work$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$77.6k - $176k
...supporting the Department of Defense (DoD)? We’re looking for a System Administrator to help us design, deploy, and maintain cross domain... ...mission customers. Job Number: R0246277 System Administrator, Senior The Opportunity: Your technical expertise makes you the team...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work- Amentum in Maryland is seeking a System Administrator to support a new prime contract. You will manage IT system infrastructure, perform day-to-day operations, and troubleshoot client/server/storage/network devices for a government contracting environment. Qualified candidates...SeniorContract work
- AT&T Global Public Sector is seeking a High-Performance Computing (HPC) Systems Administrator to support a large government client site. Responsibilities include maintaining Linux HPC clusters, interconnects, and related tooling, with duties spanning transition to operations...Senior
- Ctrl+ is a software engineering and staffing firm based in Elkridge, MD, providing IT solutions and DoD program support. The System Administrator (SA) 3 will own mission‑critical IT systems, troubleshoot, and maintain operations for client environments in Columbia. The...Senior
- ...delivers IT support services for federal government clients, handling implementation, troubleshooting, and maintenance of complex IT systems across UNIX and Windows environments. A TS/SCI clearance is required, with extensive SA-level experience and a relevant technical...SeniorContract work
- A cybersecurity and IT services provider in Columbia, Maryland is seeking a System Administrator Level 2 to support IT systems, including troubleshooting and maintenance. The ideal candidate must have over 10 years of experience in system administration with strong skills...Senior
- Erias Ventures in Columbia, MD seeks a Senior System Administrator to support installation, troubleshooting and maintenance of IT systems, including UNIX and Windows operating environments and enterprise network devices. You will provide Tier I and Tier II support, monitor...Senior
$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$103.8k - $218.1k
Job Title: Senior System AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/... ...identity solutions used across the IC.Responsibilities:As a System Administrator, you will:Build, configure, and deploy Docker containers...SeniorContract workFor contractorsWork experience placementFlexible hours- ...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
- ...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
- ...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
- ...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
- ...Senior Systems Administrator 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...SeniorFull time
$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- ...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
- ...Vibrint is a trusted provider of mission-critical systems and analysis that transform our customers' capacity and capability... ...and your future is our shared goal. We are seeking a Senior System Administrator for a funded role with quantifiable Linux system administration...SeniorTemporary workWork experience placementLocal areaImmediate start
$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- Amentum is seeking a seasoned System Administrator for a Maryland-based prime contract. The role covers ongoing IT system support, UNIX/Windows administration, problem resolution, and capacity planning for a government-scale environment. Required are a CS/IT-related bachelor...SeniorContract work
$225k - $255k
...on bringing innovative solutions to the difficult mission problems facing our customers. Description We are seeking aSenior System Administrator to provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT...SeniorHourly payTemporary workImmediate startFlexible hours- ...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...SeniorFull timeVisa sponsorshipWork visa
$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 - $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 employmentFull timeContract workWorldwide$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$120.8k - $265.8k
Job Title: Senior Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/... ...deep exposure to our product ecosystem, broaden your Linux administration capabilities, and have room to explore specialized areas like...SeniorContract workWork experience placementFlexible hours
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