Cyber Systems Administrator - Vulnerability Analyst
Serco
Position Description & Qualifications We are seeking a Cyber Systems Administrator to support the 705th CTS Distributed Mission Operations Center Infrastructure Development and Engineering (DMOC-IDE) team at Kirtland Air Force Base in Albuquerque, New Mexico. Cyber System Administrator (Vulnerability Analyst) supports the Distributed Mission Operations Center (DMOC) Battlespace by operating and maintaining mission‑critical systems that power Live‑Virtual‑Constructive training for Air Force, Joint, and Coalition warfighters. In addition to traditional system administration duties, this role includes ensuring all DMOC systems meet DoD cybersecurity requirements for configuration compliance, STIG hardening, patching, vulnerability remediation, and cyber‑readiness. An Active secret security clearance is required prior to starting. You will work closely with network, software, cybersecurity, and simulation system teams to maintain a secure, resilient, high‑fidelity training environment for the warfighter. In this role, you will: Maintain reliable operation of Windows and Linux systems in a hybrid classified environment. Coordinate with network admins, engineers, and end users to ensure smooth system performance. Install, configure, and maintain server/workstation hardware, peripherals, and VTC equipment. Administer Active Directory accounts, groups, policies, file permissions, and security access lists. Support technical activities according to mission schedules. Handle hardware moves and installations (up to 50 lbs). Perform routine ACAS/Nessus scans, validate findings, reduce false positives, and track remediation progress. Review and apply DISA STIGs/SRGs, update baselines, and coordinate hardening changes with the cybersecurity team. Support patch management, ensuring OS/applications are properly updated and compliant; validate patch status and document deviations. Participate in monthly POA&M reviews, providing input on vulnerability timelines, risk justifications, and fix‑action feasibility. Provide timely feedback to the Cybersecurity team on vulnerabilities, patching issues, impediments, system outages, or conflicts with mission operations. Assist in maintaining data integrity by monitoring system configuration, change control, and compliance posture. Recommend, test, and deploy system enhancements that improve security, performance, and reliability. Test new product releases, patches, or updates for compatibility and minimal user disruption prior to deployment. Monitor, control, and troubleshoot DMOC data communications networks. Record issues, open trouble tickets, support system problem reports, and assist with LAN/WAN testing. Configure and support VTC connections among local and remote network participants. Diagnose and resolve connectivity, hardware, and system performance issues. Ensure strict adherence to DoD and DMOC Information Systems Security policies. Work closely with DMOC Cybersecurity personnel to align system maintenance with cyber‑hardening requirements. Communicate clearly with internal teams, leadership, and external customers—providing updates, documentation, and incident reports. Translate technical findings into repair actions, risk statements, and user‑friendly instructions as needed. To be successful in this role, you will have: Bachelor Degree and a minimum of 2 years of relevant experience. In lieu of a bachelors degree, an associates degree and 4 years of experience, or a HS Diploma/GED and 6 years of experience will be considered. An Active secret security clearance is required prior to starting. Experience as a System Administrator supporting Windows/Linux systems in an enterprise or DoW environment. Working knowledge of ACAS/Nessus scanning, patching workflows, and STIG application. Familiarity with system security practices, configuration management, and network fundamentals. Ability to document technical processes, troubleshooting results, and system configurations. Ability to lift/move hardware up to 50 lbs. Relevant certifications (Security+ or equivalent). Additional desired experience and skills: Experience in DoD training, simulation, or Live‑Virtual‑Constructive (LVC) environments. Understanding of RMF, POA&M processes, DoD cybersecurity requirements, and system hardening. Automation experience (PowerShell, Bash, Ansible). Background working in hybrid classified environments. Company Overview Serco Inc. (Serco) is the Americas division of Serco Group, plc. In North America, Serco’s 9,000+ employees strive to make an impact every day across 100+ sites in the areas of Defense, Citizen Services, and Transportation. We help our clients deliver vital services more efficiently while increasing the satisfaction of their end customers. Serco serves every branch of the U.S. military, numerous U.S. Federal civilian agencies, the Intelligence Community, the Canadian government, state, provincial and local governments, and commercial clients. While your place may look a little different depending on your role, we know you will find yours here. Wherever you work and whatever you do, we invite you to discover your place in our world. Serco is a place you can count on and where you can make an impact because every contribution matters. To review Serco benefits please visit: . If you require an accommodation with the application process please email: View email address on click.appcast.io or call the HR Service Desk at View phone number on click.appcast.io, option 1. Please note, due to EEOC/OFCCP compliance, Serco is unable to accept resumes by email. Candidates may be asked to present proof of identify during the selection process. If requested, this will require presentation of a government‑issued I.D. (with photo) with name and address that match the information entered on the application. Serco will not take possession of or retain/store the information provided as proof of identity. For more information on how Serco uses your information, please see our Applicant Privacy Policy and Notice. Serco does not accept unsolicited resumes through or from search firms or staffing agencies without being a contracted approved vendor. All unsolicited resumes will be considered the property of Serco and will not be obligated to pay a placement or contract fee. If you are interested in becoming an approved vendor at Serco, please email View email address on click.appcast.io . Serco is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other legally protected characteristics. Pay Transparency Our Total Rewards package includes competitive pay, performance‑based incentives, and benefits that promote well‑being and work‑life balance—so you can thrive both professionally and personally. Eligible employees also gain access to a wide range of benefits from comprehensive health coverage and health savings accounts to retirement plans, life and disability insurance, and time‑off programs that support work‑life balance. Program availability may vary based on factors such as contract type, location, hire date, and applicable collective bargaining agreements. Salary range: The range for this position can be found at the top of this posting. This range is provided as a general guideline and represents a good faith estimate across all experience levels. Actual base salary will be determined by a variety of factors, including but not limited to, the scope of the role, relevant experience, job‑related knowledge, education and training, key skills, and geographic market considerations. For roles available in multiple states, the range may vary to reflect differences in local labor markets. In addition to base salary, eligible positions may include other forms of compensation such as annual bonuses or long‑term incentive opportunities. Benefits – Comprehensible benefits for full‑time employees (part‑time employees receive a limited package tailored to their role): Benefits – Comprehensible benefits for full‑time employees (part‑time employees receive a limited package tailored to their role): Medical, dental, and vision insurance Robust vacation and sick leave benefits, and flexible work arrangements where permitted by role or contract 401(k) plan that includes employer matching funds Tuition reimbursement program Life insurance and disability coverage Optional coverages that can be purchased, including pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection Birth, adoption, parental leave benefits Employee Assistance Plan To review all Serco benefits please visit: . Serco complies with all applicable state and local leave laws, including providing time off under the Colorado Healthy Families and Workplaces Act for eligible Colorado residents, in alignment with our policies and benefit plans. The application window for this position is for no more than 60 days. We encourage candidates to apply promptly after the posting date, as the position may close earlier if filled or if the application volume exceeds expectations. Please submit applications exclusively through Serco’s external (or internal) career site. If an applicant has any concerns with job posting compliance, please send an email to: View email address on click.appcast.io . #J-18808-Ljbffr Serco
- A leading defense contractor seeks a Cyber Systems Administrator in San Antonio, Texas, assisting mission-critical systems for the Air Force.... ...Responsibilities include maintaining secure environments, vulnerability remediation, and coordinating with technical teams. The ideal...CyberFor contractors
$110k - $220k
System Vulnerability Analyst (Level I-IV) BTS Software Solutions is seeking a SYSTEM VULNERABILITY ANALYST... ...development, programming, information/cyber/network security, systems engineering, and/or network and/or system administration. Degree/Training Requirement: Degree...CyberWork experience placementLocal area- ...CLEARANCE: TS/SCI with both Polygraphs is required POSITION: Systems Administrator REQUISITION: MAR.Texas-SysAdmins-102725 LOCATION:... ...maintenance and solutions for Computer Network Operations, Cyber Security Directorate and other enclave customers. •...CyberRemote work
$120k
...Maximus is seeking an experienced System Administrator to join our team! Maximus TCS (Technology and Consulting Services) Internal Job Profile... ...years' experience working with DoD COCOM and other Service Cyber Components. ~ Demonstrated experience and/or training in...Cyber- ...contributions truly make a difference! System Administrator 3/ EMC/GEM Desk needed! Group: EMC/GEM... ...CCNA): Security CompTIA Cybersecurity Analyst (CySA+) CompTIA Security+ CE GIAC Security... ...Essentials (GSEC) Global Industrial Cyber Security Professional (GICSP) Systems...CyberContract workWork experience placementImmediate start
- ...Overview System Administrator Location: Hurlburt Field, FL, JBSA, TX, and Keesler AFB, MS Job Status: Full time Clearance... ...and SME levels. We anticipate a start date in July 2026. Cyber Operations Formal Training Support III (CyOFTS III) is a Cyber...CyberFull timeContract workLocal area
$92.3k - $166.85k
Leidos is seeking a System Administrator for their Cyber & Analytics team. Located primarily in Alexandria, VA, this role includes IT help desk responsibilities, system optimization, and ensuring network security. The ideal candidate has a BS in Computer Science and at...Cyber- A leading technology firm is looking for a System Administrator to support multiple Air Force training locations. This position requires an active... ..., maintaining server hardware/software, and supporting cyber training environments. Applicants should have knowledge of cloud...CyberContract work
$85k - $90k
...Information Technology Overview GovCIO is currently hiring a System Administrator with HBSS focus in support of the AFSCI network. This... ...perform system functions Will be required to take the DoD Cyber Exchange ESS 201 and ESS 301 Preferred Skills and...CyberFull timeCurrently hiringFlexible hours- ...Whether the focus is on space exploration, national security, cyber security, or cutting‑edge engineering applications, I2X is... ...of our government customers. I2X Technologies is seeking a Systems Administrator to support ongoing activities for a customer in San Antonio,...CyberWork experience placementLocal areaLong distance
- ...Work ( ASRC Federal is currently seeking an Intermediate Systems Administrator - Tier-2 Level to support upcoming work located in San... ...Orders. Interact with the customer CSSP/DCO team on any cyber incidents or orders. Provide log to CSSP/DCO team in response...CyberContract workFor contractorsWork experience placementRemote workFlexible hoursShift work
- ...sectors. Our highly certified experts build systems that drive efficiency, accelerate... ...Plus is seeking a Tier 3 Level Systems Administration Support Services role to analyze, validate... ...government clearance. Microsoft Certified: Cyber Security Architect Expert or Microsoft...CyberFor contractorsLocal areaFlexible hours
$92.3k - $166.85k
Virginia-Based System Administrator Leidos has an exciting opportunity for a System Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). This role supports our... ...for managing information assurance vulnerability alerts (IAVAs) and system security scanning...CyberWork at office- System Administrator & Technical Support Lackland Air Force Base, San Antonio, TX, USA Job Description Posted Wednesday, March 4, 2026 at 6:0... ...with optimal reliability and availability. Store/maintain all cyber-related doctrine documents and specific Cyber Mission Forces...CyberPermanent employmentTemporary workFor contractorsFlexible hours
- ...advantage of an identified vulnerability or zero days. The Air Combat... ...Wing (67 CW), 346th Cyber Test and Evaluation Squadron... ...physical hardware and virtual systems. In support of this mission... ...and nation sponsored), system administration, network, and operating system...CyberLocal area
- ...this role, you will identify vulnerabilities and test the security of networks, applications, and systems by simulating real-world attacks... ...Hacker, Vulnerability Analyst, Security Consultant, Red Team... ...Security Assessment Specialist, Cyber Threat Analyst, Exploit Developer...CyberTemporary workFor contractorsImmediate startFlexible hours
- ...involves installing, operating, and maintaining computer systems and IT networks while ensuring robust cyber security measures are in place. The ideal... ...will have a strong background in system and network administration, along with the ability to manage communication security...Cyber
- ...POSITION DESCRIPTION: G6 Cyber Solutions (G6CS) is at the... ...develop and maintain cutting-edge systems and capabilities in direct... ...-oriented Linux System Administrator to join our team in support... ...scanning computer networks for vulnerabilities and diagnosing network...Cyber
- ...installing, maintaining, and operating computer systems and IT networks. The selected candidate will manage system and network administration, ensuring communication security and... ...those passionate about IT infrastructure and cyber security, offering an opportunity to work...Cyber
$94.4k - $120k
...required. Five (5) years of additional system administration experience may be substituted for a bachelor... ...): Security CompTIA Cybersecurity Analyst (CySA+) CompTIA Security+ CE GIAC... ...Essentials (GSEC) Global Industrial Cyber Security Professional (GICSP) Systems...CyberContract workWork experience placementLocal area$80k - $128k
...Requisition ID 2025-159061 Position Category Cyber Security Clearance Top Secret/SCI... ...: Monitor network traffic, alerts, and system logs to detect potential security... ...and systems staff to address identified vulnerabilities . Qualifications Required Qualifications...Cyber- ...We design, build, operate, and maintain cyber-physical solutions for the nation’s most... ...automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C.... ...moderate understanding of network administration as related to business operations. Assists...CyberWork at officeLocal areaFlexible hours
$66k - $106k
...Network Administrator Job Locations US-TX-San Antonio Requisition ID 2026-165675 Position Category Information... ...Top Secret/SCI Responsibilities Peraton's Cyber Mission supports the United States Air Force by delivering mission...CyberContract workShift work$33.66 - $36.1 per hour
.... Responsibilities for this Position Role and Position Objectives: Join our team as a Junior Network Administrator for Space, Cyber and Intelligence Systems! You'll work alongside experienced network and IT professionals supporting enterprise network infrastructure...CyberWork experience placementFlexible hours- A technology services company in San Antonio is seeking a Network Administrator to support national security initiatives. The role involves daily monitoring, troubleshooting, and maintaining network devices to ensure stability and connectivity. Candidates must hold a Bachelor...Cyber
- IT Network Administrator - Archdiocese of San Antonio Full‑time position reporting to the IT Manager... ...and monitor the email filtering system for the Pastoral Ministry Center and external... ...of VPN configuration. Knowledge of cyber‑security best practices. Knowledge of configuring...CyberFull timeTemporary workLocal areaMonday to FridayWeekend workAfternoon shift
- A certified woman-owned small business in San Antonio, TX is seeking a DevOps Engineer with extensive experience in cyber security and software engineering. The ideal candidate will work in a hybrid setting, enjoy competitive benefits including fully-paid medical and 4...CyberRemote job
- Network Administrator Location : US-TX-San Antonio Requisition ID : 2026-165675 Position Category : Information Technology Clearance : Top Secret/SCI Responsibilities Peraton's Cyber Mission supports the United States Air Force by delivering mission-critical Cyber...Cyber
$86k - $138k
A national security company is looking for a Network Administration, Lead Associate, in San Antonio, Texas. The role involves the administration and maintenance of enterprise network systems to ensure reliable performance and security. Candidates must have at least 5 years...Cyber$70k - $90k
...alternative application process. NETWORK ADMINISTRATOR Full Time Houston, TX, US 5 days ago... ...security policies to safeguard against cyber threats and unauthorized access. Perform... ...administration tasks including updates, backups, and system health checks. Support Blackberry...CyberFull timeRemote work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Cyber Systems Administrator - Vulnerability Analyst. Be the first to apply!
- server administrator San Antonio, TX
- systems administrator San Antonio, TX
- remote systems administrator San Antonio, TX
- computer systems administrator San Antonio, TX
- IT administrator San Antonio, TX
- system admin San Antonio, TX
- IT infrastructure administrator San Antonio, TX
- enterprise administrator San Antonio, TX
- microsoft systems administrator San Antonio, TX
- application system administrator San Antonio, TX

