Senior Systems Administrator
Prevailance, Inc.
Description This position is contingent upon successful contract award. Serve as a technical lead and security manager for complex information systems. Utilize Privileged Access to engineer and authorize security configurations across the Computing Environment (CE). Responsible for bridging the gap between technical defense and high-level information assurance management, ensuring that the network remains resilient against sophisticated threats while staying fully compliant with federal and DoD mandates. Job Roles & Responsibilities Security Engineering & Implementation: Implement robust security solutions for mid-to-large scale networks, ensuring IAT Level 2 technical standards are met for all hardware and software. Information Assurance Management: Execute IAM Level 2 functions, including the development and enforcement of security policies, risk assessment, and the authorization of system changes. Advanced Cyber Defense: Lead the identification and mitigation of complex cyber threats. Oversee intrusion detection, forensic analysis, and the execution of incident handling procedures. Privileged System Administration: Perform administrative actions with privileged access on applicable Operating Systems (OS), ensuring that the computing environment is hardened according to Security Technical Implementation Guides (STIGs). Strategic Compliance: Evaluate and maintain the organization’s cybersecurity posture, ensuring all systems meet the requirements for Authority to Operate (ATO) and continuous monitoring. Technical Leadership: Mentor junior staff and provide expert‑level technical guidance on cybersecurity trends, vulnerabilities, and emerging defense technologies. Travel may be required. Experience Requirements Required DoDM 8140.03 Qualifications (Must hold at least one per level): IAT Level 2: GSEC, Security+ CE, SSCP, or CCNA‑Security. IAM Level 2: CAP, GSLC, CISM, CASP+ CE, or CISSP (or Associate). Cyber Defense (CD): CEH, GCIA, CSIH, or GCIH. OS/CE Requirement: A formal Operating System/Computing Environment certificate of training for systems requiring privileged access. Education & Experience Requirements Candidates must meet one of the following foundational criteria: Bachelor’s degree from an accredited university in a relevant technical field. Possession of CNSSI 4012, 4013, 4014, 4015, or 4016 certifications. Associate’s degree from an accredited university AND 10 years of direct cybersecurity experience. Minimum Experience Requirement: Regardless of education, candidates must have 5–9 years of experience in cybersecurity or a related field, demonstrating a steady progression into senior‑level responsibilities. Clearance Requirements Possesses and maintain Top Secret Clearance (SCI preferred). Benefits Prevailance, Inc. proudly supports veterans as a member of the V3 (Virginia Values Veterans) program and the Hire Vets initiative. Recognized as a Top Workplace in 2025, Prevailance fosters a supportive, mission‑driven environment for its team members. We provide a comprehensive benefits package to eligible employees, designed to support health, wellness, and financial security. Our benefits include: Medical Insurance TriCare Supplemental Dental Insurance Vision Insurance Life & Accidental Death & Dismemberment (AD&D) Coverage 401(k) Plan with Company Matching Contributions Paid Time Off (PTO) 11 Paid Holidays Education Reimbursement Program Computing Device Reimbursement Program Prevailance, Inc. is an Equal Opportunity/Affirmative Action Employer. All qualified candidates will receive consideration for employment and will not be discriminated against based on race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, age, pregnancy, genetic information, citizenship status, marital status or any other consideration prohibited by law or contract. Prevailance, Inc. participates in E-Verify and is VEVRAA Compliant. #J-18808-Ljbffr Prevailance, Inc.
$87.23k - $116.3k
...Senior Systems Administrator At LifeNet Health, you are the advantage. Every day, you help us to save lives, restore health, and bring hope to patients and families around the world. At LifeNet Health, we cultivate growth, innovation, and collaboration, where your...SeniorFull timeContract workLocal areaMonday to FridayFlexible hoursWeekend work$87.23k - $116.3k
...Beach, VA or Plainfield, IN (on‑site) Department: Information Systems Schedule: Full‑Time, Monday - Friday, 8:15 a.m. - 5:00 p.m... ...Clinical Status: Non‑Clinical About the Role The Senior Systems Administrator provides support for implementation, troubleshooting, and...SeniorFull timeWork at officeMonday to FridayFlexible hoursWeekend work- ...Senior Systems Administrator (SharePoint) Location: Norfolk, VA, US Job ID: ATR 17829 Job Description Job Title: Senior Systems Administrator (SharePoint) Job Location: Norfolk, VA (Onsite at the Naval Ship Yard) Eligibility/Clearance: ~ US Citizenship...SeniorContract work
$87.23k - $116.3k
LifeNet Health is seeking a Senior Systems Administrator based in Virginia Beach, VA. This full-time position involves managing and supporting IT infrastructure, troubleshooting issues, and ensuring system uptime. Candidates must have an Associate's degree and at least...SeniorFull time- Huntington Ingalls Industries is seeking a Sr. Systems Administrator to ensure the reliable operation of Linux and Windows systems. Responsible for lifecycle upgrades and enterprise support for Navy training environments, this full-time on-site role demands strong problem...SeniorFull time
$70k - $80k
...Business with over 20 years’ Cybersecurity and Government Contracting experience. Watershed is looking for a Senior Network and Computer Systems Administrator to install, configure, and support an organization's local area network (LAN), wide area network (WAN), and Internet...SeniorContract workLocal areaMonday to Friday- ...Sr. Systems Administrator Summary HII Mission Technologies is seeking a Sr. Systems Administrator to provide mid-level system administration, lifecycle upgrades, and enterprise support for distributed Navy training environments. This role ensures reliable operation...SeniorFull timeWork at officeLocal area
- ...reasonably be assigned.) Involved in all phases of test system design, including requirements generation, hardware design, software... ...Experience: 10+ years of IT experience 5 of system administration supporting Windows in network environment. Experience with networking...SeniorSeasonal workRemote work
- ...The Sr. Systems Administrator is at the forefront of deploying and supporting new technologies at HRT. In support of the strategic initiatives following the established project plan under the direction of the Director of Technology Services, implement and support datacenter...SeniorSeasonal workWork at officeLocal areaRemote work
$120k - $130k
...fleet. With a holistic approach to life-cycle maritime defense systems—from small watercraft to submarines, surface combatants and... ...Summary HII Mission Technologies is seeking a Sr. Systems Administrator to provide mid-level system administration, lifecycle upgrades...SeniorFull timeWork experience placementWork at officeLocal areaWorldwide- ...training-based solutions. * This position is contingent upon contract award * Overview As a TAG Senior IT Administrator, you will lead the end-to-end technical strategy, security architecture, and operational oversight for Deployable...SeniorContract work
- The Ascendancy Group LTD is seeking a Senior IT Administrator in Virginia Beach to lead the technical strategy and operational oversight for Deployable Communications Kits. The ideal candidate will have 7-10 years of IT operations experience, including managing secure endpoint...Senior
- A defense solutions provider in Virginia Beach seeks a Senior IT Administrator to lead the technical strategy for secure communications kits. This role involves overseeing infrastructure design, lifecycle governance, and compliance documentation. Candidates must have 7-...Senior
- ...This is for a future opportunity*** MANTECH seeks a motivated, career and customer orientated Network Computer Systems Administrator to join our team supporting NSWC Corona Range Systems Department to manage Information Technology efforts in support of the...SeniorWork at officeLocal area
- A leading IT consulting firm in Virginia Beach seeks an experienced professional skilled in Linux systems administration and application server management. The candidate will be responsible for deploying technology, troubleshooting server issues, and supporting web access...Senior
- A technology service company located in Virginia Beach is seeking a motivated Network Administrator III to support their on-site operations. This role requires a Bachelor’s degree and nine years of IT experience. The candidate must possess a current Secret Clearance and...Senior
- ...Senior Database Administrator MANTECH seeks a motivated, career and customer orientated Senior Database Administrator to join our team supporting NSWC Corona Range Systems Department to manage Information Technology efforts in support of the Navy Enterprise Tactical...SeniorWork at office
- ...Job Description: Job Summary We are seeking a mission-driven HCL Domino Systems Administrator to support 24/7/365 operations, maintenance, and sustainment of enterprise-level messaging systems supporting global fleet and communications operations. This role ensures...Remote workNight shift
- ...The Systems Administrator provides enterprise IT and network infrastructure support to the Naval Surface Warfare Center (NSWC) . This role is responsible for the administration, maintenance, security, and performance of Government information systems supporting mission...Local areaRemote work
- ...Systems Administrator I Tamayo Federal Solutions, LLC is seeking qualified Systems Administrator I. The qualified candidate should have experience/knowledge in the following areas: Design architecture including software, hardware, and communications to support...
- ...Job Posting MANTECH seeks a motivated, career and customer orientated Systems Administrator III to join our team supporting NSWC Corona Range Systems Department to manage Information Technology efforts in support of the Navy Enterprise Tactical Training Network (NETTN...Work at office
$53.14k - $60k
...fleet. With a holistic approach to life-cycle maritime defense systems-from small watercraft to submarines, surface combatants and... ...Description The Navy Integrated Training Environment (NITE) System Administrator I supports daily operations of the Global Service Desk (GSD)...Full timeWork experience placementWork at officeLocal areaWorldwideShift work- ...Overview Client First Technologies is currently seeking a Systems Administrator to support an upcoming contract. The Systems Administrator provides technical expertise supporting the operation, maintenance, and security of enterprise IT systems. This role ensures...Full timeContract work
- ...Systems Administrator II Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects...Work at officeLocal area
$60k - $65k
...Veteran Owned Small Business with over 20 years’ Cybersecurity and Government Contracting experience. Watershed is looking for a Systems Administrator to Install, configure, and support an organization's local area network (LAN), wide area network (WAN), and Internet systems...Contract workLocal areaMonday to Friday- ...Systems Administrator Location: Dahlgren, VA / San Diego, CA / Norfolk, VA (3 different locations) *Clearance: Active Secret w/ Polygraph needed to apply* Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities...Remote work
- ...Systems Administrator III Tamayo Federal Solutions, LLC is seeking qualified Systems Administrator III. This position will: Play a crucial role in managing and optimizing complex IT systems supporting naval ship and submarine maintenance operations Oversee...
$86.18k - $130k
...Navy Integrated Training Environment Network Administrator Virginia Beach, VA Top Secret Polygraph Unspecified Career Level not specified... ...: Bachelor's degree in Computer Science, Information Systems, or related discipline CCNP or CCNA certification Experience...SeniorLocal areaRemote workShift workNight shiftAfternoon shift- ...System Administrator / C4I Systems Support Candidate will support a variety of platforms to include: GCCS, C2PC, C2BMC, JADOCS, ASSET, CAS... ...BFFT, TBMCS, ADSI and TACVIEW. Experience interfacing with senior management Experience with Department of Defense Security Technical...
$90k
...Exceptional Performance! Chenega Services & Federal Solutions, a Chenega Professional Services ' company, is looking for an IT Systems Administrator to provide network infrastructure support services to the Department of the Navy's Commander, Operational Test and...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Systems Administrator. Be the first to apply!
- IT administrator Virginia Beach, VA
- system admin Virginia Beach, VA
- computer systems administrator Virginia Beach, VA
- microsoft systems administrator Virginia Beach, VA
- systems administrator Virginia Beach, VA
- server administrator Virginia Beach, VA
- application system administrator Virginia Beach, VA
- IT infrastructure administrator Virginia Beach, VA
- enterprise administrator Virginia Beach, VA
- senior procurement Virginia Beach, VA

